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JAVA Beginner's Video Tutorial

Welcome to our "JAVA Basic Introductory Video Tutorial" Java language has become the mainstream development language in the current software development industry. This course will lead you to learn our JAVA in a simple and in-depth way and lead you into the wonderful world of JAVA

Elementary

java

Tutorial

video

2362312 person learning

753 class hour

04 days 05 hours 22 minutes 25 seconds Total course duration

2022-04-15update

怪我咯

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A total of 54 coursesStudent39540 Lecturer rating5.5

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Course Introduction Course Outline Other Courses

You will learn：

"JAVA Beginner's Video Tutorial" will lead you to learn: 1. Be able to configure the Java development environment and use tools for program development 2. Master the use of basic syntax in Java 3. Master Java basic syntax and programming ideas 4. Proficient in using object-oriented programming ideas Then learn about exception handling, collection framework, strings, common classes, etc. in Java, and gradually learn to master advanced Java technologies.

JAVA Beginner's Video Tutorial

Chapter1 JAVA computer basics
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Section1 computer overview
duration： 07 minutes 33 seconds

Section2 Computer Hardware and Software Overview
duration： 06 minutes 24 seconds

Section3 Software Development and Computer Languages Overview
duration： 05 minutes 39 seconds

Section4 human-computer interaction
duration： 03 minutes 09 seconds

Section5 Keyboard function keys and shortcut keys
duration： 06 minutes 34 seconds

Section6 How to open a DOS console
duration： 02 minutes 45 seconds

Section7 Common DOS commands explained
duration： 11 minutes 03 seconds

Section8 Extended DOS commands
duration： 06 minutes 34 seconds
Chapter2 JAVA language basics (1)
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Section1 Java language overview
duration： 11 minutes 03 seconds

Section2 Java language cross-platform principle
duration： 09 minutes 08 seconds

Section3 Overview of JDK and JRE)
duration： 03 minutes 30 seconds

Section4 JDK download process diagram
duration： 04 minutes 39 seconds

Section5 JDK installation process diagram
duration： 04 minutes 50 seconds

Section6 Illustration of the uninstallation process of JDK
duration： 04 minutes 22 seconds

Section7 Introduction to Java development tools and introduction to JDK
duration： 04 minutes 55 seconds

Section8 Writing and running the first HelloWorld case
duration： 06 minutes 37 seconds

Section9 Summary of common problems in development
duration： 15 minutes 36 seconds

Section10 Why configure the path environment variable
duration： 05 minutes 46 seconds

Section11 How to configure Path environment variable 1
duration： 04 minutes 44 seconds

Section12 How to configure Path environment variable 2
duration： 05 minutes 24 seconds

Section13 The role of classpath and its configuration
duration： 06 minutes 34 seconds

Section14 The difference between path and classpath
duration： 00 minutes 49 seconds

Section15 Notepad++ installation and configuration
duration： 06 minutes 55 seconds

Section16 Use Notepad++ to develop programs and compile and run them
duration： 01 minutes 53 seconds
Chapter3 JAVA language basics (2)
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Section1 Overview and use of keywords
duration： 08 minutes 02 seconds

Section2 Overview and composition rules for identifiers
duration： 08 minutes 22 seconds

Section3 Common naming rules for identifiers
duration： 10 minutes 43 seconds

Section4 Overview of annotations and their classification
duration： 09 minutes 33 seconds

Section5 HelloWorld case added to annotated version
duration： 06 minutes 31 seconds

Section6 The role of comments
duration： 06 minutes 08 seconds

Section7 Overview and use of constants
duration： 09 minutes 30 seconds

Section8 Overview of base systems and illustrations of binary, octal and hexadecimal systems
duration： 12 minutes 17 seconds

Section9 Representation forms of different base data
duration： 06 minutes 47 seconds

Section10 Conversion diagram from arbitrary base to decimal
duration： 10 minutes 17 seconds

Section11 Exercises from arbitrary base to decimal
duration： 02 minutes 49 seconds

Section12 Conversion diagram from decimal to arbitrary base
duration： 06 minutes 52 seconds

Section13 Exercises from decimal to arbitrary base
duration： 03 minutes 13 seconds

Section14 Fast base conversion method
duration： 11 minutes 51 seconds

Section15 Explanation of the original code's complement
duration： 13 minutes 57 seconds

Section16 Practice of inverting and complementing the original code
duration： 03 minutes 02 seconds

Section17 Overview and format of variables
duration： 07 minutes 25 seconds

Section18 Overview and classification of data types
duration： 08 minutes 44 seconds

Section19 Define variables of different data types
duration： 09 minutes 20 seconds

Section20 Things to note when using variables
duration： 10 minutes 03 seconds

Section21 Data type conversion default conversion
duration： 07 minutes 58 seconds

Section22 Illustration of variables of different data types participating in operations
duration： 07 minutes 02 seconds

Section23 Data type conversion cast
duration： 05 minutes 31 seconds

Section24 Questions about forced conversion
duration： 04 minutes 15 seconds

Section25 What is the difference between adding variables and adding constants? Interview questions
duration： 09 minutes 07 seconds

Section26 How to calculate the result after forced conversion of data overflow
duration： 08 minutes 44 seconds

Section27 Character data participates in operations
duration： 04 minutes 53 seconds

Section28 Strings participate in operations
duration： 03 minutes 54 seconds
Chapter4 JAVA language basics (3)
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Section1 Several minor issues added to data types
duration： 14 minutes 50 seconds

Section2 Basic usage of arithmetic operators
duration： 09 minutes 46 seconds

Section3 Usage of arithmetic operators ++ and --
duration： 11 minutes 33 seconds

Section4 Exercises with arithmetic operators ++ and --
duration： 05 minutes 40 seconds

Section5 Various uses of arithmetic operator +
duration： 03 minutes 56 seconds

Section6 Basic usage of assignment operators
duration： 05 minutes 37 seconds

Section7 Assignment operator interview questions
duration： 04 minutes 12 seconds

Section8 Basic usage of comparison operators and their precautions
duration： 09 minutes 11 seconds

Section9 Basic usage of logical operators
duration： 12 minutes 52 seconds

Section10 The difference between logical operators && and &
duration： 07 minutes 24 seconds

Section11 Basic usage of bit operators 1
duration： 11 minutes 06 seconds

Section12 Characteristics of bitwise XOR operator
duration： 03 minutes 04 seconds

Section13 Bit operations interview questions
duration： 09 minutes 52 seconds

Section14 Basic usage of bit operators 2 and interview questions
duration： 13 minutes 09 seconds

Section15 Basic usage of ternary operator
duration： 06 minutes 59 seconds

Section16 Exercises with the ternary operator
duration： 10 minutes 26 seconds

Section17 An explanation of the basic format of keyboard entry
duration： 07 minutes 14 seconds

Section18 Keyboard entry exercise 1
duration： 06 minutes 31 seconds

Section19 Keyboard entry exercise 2
duration： 04 minutes 49 seconds

Section20 sequential structure statement
duration： 04 minutes 44 seconds

Section21 Select structure if statement format 1
duration： 08 minutes 08 seconds

Section22 Things to note when choosing a structure if statement
duration： 09 minutes 02 seconds

Section23 Select structure if statement format 2
duration： 05 minutes 16 seconds

Section24 Exercises for selecting structure if statement format 2
duration： 06 minutes 03 seconds

Section25 Conversion problem between format 2 of if statement and ternary
duration： 08 minutes 07 seconds

Section26 Select structure if statement format 3
duration： 16 minutes 26 seconds

Section27 Exercises for selecting structure if statement format 3
duration： 06 minutes 11 seconds

Section28 Exercises for selecting structure if statement format 3
duration： 12 minutes 41 seconds

Section29 Nested use of selection structure if statements
duration： 04 minutes 49 seconds
Chapter5 JAVA language basics (4)
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Section1 The format and explanation of the select structure switch statement
duration： 08 minutes 28 seconds

Section2 Basic use of the switch statement in the selection structure
duration： 09 minutes 57 seconds

Section3 Things to note when choosing a structural switch statement
duration： 10 minutes 39 seconds

Section4 Select structure switch statement exercise 1 to see the program writing results
duration： 01 minutes 26 seconds

Section5 Select structure switch statement exercise 2 multiple choice questions
duration： 08 minutes 25 seconds

Section6 Select structure switch statement exercise 3 expression is a string
duration： 04 minutes 51 seconds

Section7 Respective usage scenarios of the selection structure switch and if statements
duration： 08 minutes 28 seconds

Section8 Loop Structure Loop Statement Overview
duration： 04 minutes 13 seconds

Section9 The format and basic use of the loop structure for statement
duration： 08 minutes 43 seconds

Section10 Things to note about the loop structure for statement
duration： 01 minutes 37 seconds

Section11 Exercise 1 of loop structure for statement to obtain data
duration： 04 minutes 10 seconds

Section12 Exercise 2 Summing Thoughts of Loop Structure for Statement
duration： 07 minutes 55 seconds

Section13 Exercise 3 of even sum of loop structure for statement
duration： 05 minutes 00 seconds

Section14 Exercise 4 factorial of loop structure for statement
duration： 03 minutes 23 seconds

Section15 Exercise 5 Narcissus of loop structure for statement
duration： 11 minutes 40 seconds

Section16 Exercise 6 of improved version of palindrome number for loop structure for statement
duration： 03 minutes 58 seconds

Section17 Exercise 7 Statistical Thoughts on Loop Structure for Statement
duration： 04 minutes 40 seconds

Section18 Exercise 8 of the loop structure for statement while taking the remainder problem
duration： 05 minutes 22 seconds

Section19 The format and basic use of the while statement in the loop structure
duration： 05 minutes 49 seconds

Section20 Exercise 1 Summation Thoughts of Loop Structure While Statement
duration： 03 minutes 59 seconds

Section21 Exercise 2 Statistical Thoughts on Loop Structure While Statement
duration： 04 minutes 26 seconds

Section22 The difference between loop structure while statement and for statement
duration： 07 minutes 25 seconds

Section23 Practice Everest of loop structure while statement
duration： 07 minutes 44 seconds

Section24 The format and basic use of the loop structure do...while statement
duration： 05 minutes 41 seconds

Section25 Differences between three types of loop statements in loop structures
duration： 03 minutes 20 seconds

Section26 Loop structure loop precautions - infinite loop
duration： 05 minutes 32 seconds

Section27 Loop structure loop nesting outputs stars in 4 rows and 5 columns
duration： 10 minutes 55 seconds

Section28 Loop structure loop nesting output equilateral triangle
duration： 06 minutes 31 seconds

Section29 Loop structure multiplication table
duration： 07 minutes 33 seconds

Section30 Control jump statement break statement
duration： 11 minutes 17 seconds

Section31 Control jump statement continue statement
duration： 05 minutes 24 seconds

Section32 Control jump statement return statement
duration： 03 minutes 44 seconds

Section33 The combination of while statement and break uses Xiaofang to save money
duration： 10 minutes 18 seconds
Chapter6 JAVA language basics (5)
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Section1 Method overview and format description
duration： 10 minutes 18 seconds

Section2 Method definition summation case
duration： 06 minutes 57 seconds

Section3 Method calls with clear return values
duration： 07 minutes 31 seconds

Section4 Method call diagram
duration： 07 minutes 00 seconds

Section5 Exercise 1 of the method to get the larger of two numbers
duration： 07 minutes 02 seconds

Section6 Method Exercise 2 Compare two numbers for equality
duration： 05 minutes 40 seconds

Section7 Method Exercise 3: Obtain the maximum value of three numbers
duration： 05 minutes 56 seconds

Section8 Notes on methods
duration： 04 minutes 27 seconds

Section9 Method call Definition and call of void type method
duration： 08 minutes 37 seconds

Section10 Exercise 4 of the method outputs a star based on the number of rows and columns
duration： 03 minutes 41 seconds

Section11 Method Exercise 5: Output the corresponding multiplication table based on keyboard input
duration： 03 minutes 19 seconds

Section12 Overview and basic usage of method overloading
duration： 11 minutes 00 seconds

Section13 Method overloading practice comparing data for equality
duration： 04 minutes 40 seconds

Section14 Array overview and definition format instructions
duration： 09 minutes 24 seconds

Section15 Initialization of arrays Dynamic initialization
duration： 12 minutes 44 seconds

Section16 Memory allocation in Java and the difference between stack and heap
duration： 15 minutes 13 seconds

Section17 Memory diagram of array 1 an array
duration： 08 minutes 02 seconds

Section18 Array memory diagram 2 two arrays
duration： 09 minutes 09 seconds

Section19 Array memory diagram 3 three arrays
duration： 14 minutes 30 seconds

Section20 Initialization of arrays, static initialization and memory map
duration： 07 minutes 17 seconds

Section21 Two common minor problems with array operations: out-of-bounds and null pointers
duration： 05 minutes 17 seconds

Section22 Array operation 1 traversal
duration： 13 minutes 31 seconds

Section23 Array operation 2 obtains the maximum value
duration： 11 minutes 35 seconds

Section24 Array operations 3 reverse order
duration： 11 minutes 29 seconds

Section25 Array operations 4 table lookup method
duration： 03 minutes 52 seconds

Section26 Array operations 5 basic search
duration： 10 minutes 39 seconds

Section27 Overview of two-dimensional arrays and explanation of format 1
duration： 15 minutes 11 seconds

Section28 Memory diagram of two-dimensional array format 1
duration： 05 minutes 28 seconds

Section29 Explanation of two-dimensional array format 2
duration： 07 minutes 53 seconds

Section30 Memory diagram of two-dimensional array format 2
duration： 07 minutes 47 seconds

Section31 Explanation of two-dimensional array format 3
duration： 06 minutes 30 seconds

Section32 Memory diagram of two-dimensional array format 3
duration： 06 minutes 28 seconds

Section33 Two-dimensional array exercise 1 traversal
duration： 10 minutes 24 seconds

Section34 Two-dimensional array exercise 2 summation
duration： 05 minutes 29 seconds

Section35 Two-dimensional array exercise 3 Yang Hui triangle
duration： 12 minutes 17 seconds

Section36 Question 1: Parameter passing issues and illustrations in Java
duration： 15 minutes 46 seconds

Section37 Thinking Question 2 Analysis of Encryption Issues
duration： 09 minutes 16 seconds

Section38 Question 2 Implementation of the code for encryption issues
duration： 10 minutes 43 seconds

Section39 Question 2: Code improvements for encryption issues
duration： 09 minutes 30 seconds
Chapter7 JAVA object-oriented (1)
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Section1 Introduction of ideas and overview of process-oriented ideas
duration： 04 minutes 51 seconds

Section2 Overview of ideas and examples
duration： 15 minutes 42 seconds

Section3 Elephant put into refrigerator case
duration： 13 minutes 10 seconds

Section4 development, design and features
duration： 03 minutes 12 seconds

Section5 Classes and Objects
duration： 08 minutes 14 seconds

Section6 Overview of class definitions and analysis of student classes
duration： 05 minutes 22 seconds

Section7 Definition of student class
duration： 04 minutes 41 seconds

Section8 Definition of mobile phone category
duration： 03 minutes 55 seconds

Section9 Student use
duration： 11 minutes 13 seconds

Section10 Use of mobile phones
duration： 04 minutes 21 seconds

Section11 The memory map of an object
duration： 13 minutes 01 seconds

Section12 Memory map of two objects
duration： 14 minutes 09 seconds

Section13 Memory map of three objects
duration： 11 minutes 32 seconds

Section14 The difference between member variables and local variables
duration： 11 minutes 21 seconds

Section15 How to call the method when the formal parameter is the class name
duration： 11 minutes 00 seconds

Section16 Overview and applications of anonymous objects
duration： 11 minutes 33 seconds

Section17 Package overview
duration： 18 minutes 01 seconds

Section18 Encapsulation benefits and design principles
duration： 03 minutes 07 seconds

Section19 Overview and characteristics of the private keyword
duration： 05 minutes 25 seconds

Section20 Private application standard cases
duration： 08 minutes 06 seconds

Section21 Overview and application of this keyword
duration： 09 minutes 32 seconds

Section22 Memory diagram of this keyword
duration： 13 minutes 00 seconds

Section23 Standard mobile phone code and its testing
duration： 05 minutes 36 seconds

Section24 Constructor method overview and format
duration： 06 minutes 40 seconds

Section25 (Overloading and precautions of constructor methods
duration： 12 minutes 06 seconds

Section26 Classification and use of member methods
duration： 06 minutes 49 seconds

Section27 Code and tests for a standard student class
duration： 08 minutes 51 seconds

Section28 A standard mobile phone code and test
duration： 06 minutes 40 seconds

Section29 What is done to create the object
duration： 10 minutes 06 seconds

Section30 When to define member variables
duration： 09 minutes 43 seconds

Section31 Rectangle case exercise
duration： 09 minutes 44 seconds
Chapter8 JAVA object-oriented (2)
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Section1 Employee case exercises
duration： 10 minutes 12 seconds

Section2 Implement addition, subtraction, multiplication and division by yourself and test it
duration： 05 minutes 56 seconds

Section3 Introduction of static keyword
duration： 10 minutes 21 seconds

Section4 Characteristics of static keyword
duration： 08 minutes 50 seconds

Section5 static memory diagram
duration： 16 minutes 04 seconds

Section6 Precautions for static
duration： 08 minutes 47 seconds

Section7 The difference between static variables and member variables
duration： 01 minutes 40 seconds

Section8 Detailed explanation of the format of the main method
duration： 07 minutes 50 seconds

Section9 Use static in tool classes
duration： 11 minutes 16 seconds

Section10 Improvement of tools
duration： 06 minutes 30 seconds

Section11 Instructions making process
duration： 13 minutes 05 seconds

Section12 Use of tools and instructions
duration： 07 minutes 00 seconds

Section13 How to use the help documentation provided by JDK
duration： 13 minutes 07 seconds

Section14 Learn the random number function of Math class through JDK help documentation
duration： 08 minutes 48 seconds

Section15 Guess the number game case
duration： 09 minutes 30 seconds

Section16 Overview and classification of code blocks
duration： 14 minutes 19 seconds

Section17 Code block to see program writing results
duration： 06 minutes 52 seconds

Section18 Introduction and overview of inheritance
duration： 07 minutes 45 seconds

Section19 Inheritance cases and benefits of inheritance
duration： 07 minutes 09 seconds

Section20 Disadvantages of inheritance
duration： 03 minutes 09 seconds

Section21 Inheritance characteristics of classes in Java
duration： 06 minutes 48 seconds

Section22 Note on implementation of inheritance and when to use inheritance
duration： 12 minutes 10 seconds

Section23 Relationship between member variables in inheritance
duration： 08 minutes 09 seconds

Section24 The difference and application of this and super
duration： 07 minutes 18 seconds

Section25 The relationship between constructors and methods in inheritance
duration： 07 minutes 43 seconds

Section26 Things to note about constructors in inheritance
duration： 09 minutes 42 seconds

Section27 Interview questions in inheritance 1
duration： 03 minutes 48 seconds

Section28 Interview questions 2 in inheritance
duration： 04 minutes 01 seconds

Section29 Interview questions 3 in inheritance
duration： 08 minutes 18 seconds

Section30 Member method relationship in inheritance
duration： 04 minutes 44 seconds

Section31 Application of method overriding
duration： 11 minutes 46 seconds

Section32 Things to note about method overriding
duration： 07 minutes 21 seconds

Section33 Two interview questions
duration： 04 minutes 29 seconds

Section34 Using student and teacher cases before inheritance
duration： 05 minutes 54 seconds

Section35 Student and teacher cases using inheritance
duration： 07 minutes 14 seconds

Section36 Cat and dog case analysis
duration： 05 minutes 09 seconds

Section37 Cat and dog case implementation and testing
duration： 09 minutes 43 seconds
Chapter9 JAVA object-oriented (3)
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Section1 final keyword introduction
duration： 05 minutes 41 seconds

Section2 The final keyword modifies the characteristics of classes, methods and variables
duration： 06 minutes 08 seconds

Section3 The final keyword modifies local variables
duration： 08 minutes 43 seconds

Section4 Initialization timing of final modified variables
duration： 05 minutes 25 seconds

Section5 Overview and prerequisites for polymorphism
duration： 05 minutes 06 seconds

Section6 Provide code reflection according to the premise of polymorphism
duration： 03 minutes 41 seconds

Section7 Member access characteristics in polymorphism
duration： 09 minutes 07 seconds

Section8 Advantages of polymorphism
duration： 20 minutes 21 seconds

Section9 Disadvantages of polymorphism
duration： 02 minutes 51 seconds

Section10 Upcasting and downcasting in polymorphism
duration： 07 minutes 21 seconds

Section11 The case of Confucius pretending to be a father explains the phenomenon of polymorphism
duration： 09 minutes 33 seconds

Section12 Memory diagram in polymorphic inheritance
duration： 09 minutes 32 seconds

Section13 Memory diagram of object changes in polymorphism
duration： 13 minutes 11 seconds

Section14 Cat and dog case polymorphic version
duration： 06 minutes 14 seconds

Section15 Cases of Northerners and Southerners
duration： 07 minutes 16 seconds

Section16 Polymorphic exercises to see program writing results
duration： 05 minutes 52 seconds

Section17 Introduction of abstract classes
duration： 02 minutes 44 seconds

Section18 Characteristics of abstract classes
duration： 13 minutes 21 seconds

Section19 Characteristics of members of abstract classes
duration： 07 minutes 54 seconds

Section20 Abstract class practice cat and dog case
duration： 11 minutes 46 seconds

Section21 Abstract practice teacher case
duration： 07 minutes 46 seconds

Section22 Abstract practice student case
duration： 09 minutes 58 seconds

Section23 Abstract class practice employee case
duration： 17 minutes 16 seconds

Section24 Small problems in abstract classes
duration： 06 minutes 19 seconds

Section25 Introduction of interface
duration： 02 minutes 39 seconds

Section26 Interface characteristics
duration： 09 minutes 19 seconds

Section27 Interface member characteristics
duration： 12 minutes 55 seconds

Section28 The relationship between classes, classes and interfaces, and interfaces
duration： 08 minutes 08 seconds

Section29 The difference between abstract class and interface
duration： 04 minutes 27 seconds

Section30 Cat and dog case adding high jump function analysis
duration： 04 minutes 20 seconds

Section31 Cat and dog case adds high jump function code implementation
duration： 08 minutes 45 seconds

Section32 Teacher and student cases add smoking function analysis and code implementation
duration： 09 minutes 50 seconds
Chapter10 JAVA object-oriented (4)
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Section1 Athletes and coaches case studies
duration： 10 minutes 13 seconds

Section2 Athletes and coaches case implementation
duration： 14 minutes 35 seconds

Section3 Athletes and Coaches Case Tests
duration： 05 minutes 52 seconds

Section4 Class name as formal parameter
duration： 07 minutes 50 seconds

Section5 Abstract class name as formal parameter
duration： 05 minutes 56 seconds

Section6 Interface name as formal parameter
duration： 05 minutes 31 seconds

Section7 Class name as return value type
duration： 05 minutes 41 seconds

Section8 Abstract class name as return value type
duration： 03 minutes 59 seconds

Section9 Interface name as return value type
duration： 03 minutes 23 seconds

Section10 chain programming
duration： 04 minutes 44 seconds

Section11 Overview and function of package keyword
duration： 05 minutes 39 seconds

Section12 Package definition and precautions
duration： 02 minutes 51 seconds

Section13 Compile and run packaged classes
duration： 06 minutes 26 seconds

Section14 Access between classes in different packages
duration： 07 minutes 28 seconds

Section15 Overview and use of the import keyword
duration： 04 minutes 12 seconds

Section16 Testing of four permission modifiers
duration： 13 minutes 34 seconds

Section17 Common modifiers used by classes and their components
duration： 12 minutes 15 seconds

Section18 Internal class overview and access characteristics
duration： 05 minutes 13 seconds

Section19 Internal class classification and direct use of member internal classes
duration： 07 minutes 50 seconds

Section20 Common modifiers and applications of member inner classes
duration： 14 minutes 36 seconds

Section21 Interview questions for member internal classes
duration： 04 minutes 53 seconds

Section22 Problem with local inner class accessing local variables
duration： 11 minutes 31 seconds

Section23 Format and understanding of anonymous inner classes
duration： 05 minutes 50 seconds

Section24 Anonymous inner class method call
duration： 04 minutes 31 seconds

Section25 Application of anonymous inner classes in development
duration： 06 minutes 38 seconds

Section26 Anonymous inner class interview questions
duration： 06 minutes 32 seconds
Chapter11 JAVA development tools
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Section1 Introduction to common development tools
duration： 05 minutes 32 seconds

Section2 Overview of Eclipse and MyEclipse
duration： 08 minutes 19 seconds

Section3 Download, install and uninstall Eclipse
duration： 06 minutes 58 seconds

Section4 How to write a HelloWorld case in Eclipse
duration： 15 minutes 45 seconds

Section5 How to compile and run programs in Eclipse
duration： 04 minutes 00 seconds

Section6 Eclipse Chinese translation and grammar checking tips
duration： 08 minutes 09 seconds

Section7 Eclipse windows and views overview
duration： 09 minutes 01 seconds

Section8 Basic configuration of Eclipse workspace
duration： 12 minutes 09 seconds

Section9 How to use content auxiliary keys in Eclipse
duration： 05 minutes 32 seconds

Section10 How to use shortcut keys in Eclipse
duration： 13 minutes 44 seconds

Section11 Automatic generation of constructor and get_set methods in Eclipse
duration： 06 minutes 07 seconds

Section12 Simplification of inheriting abstract classes or implementing interfaces in Eclipse
duration： 05 minutes 02 seconds

Section13 How to write a standard student class and its test in Eclipse
duration： 04 minutes 35 seconds

Section14 Write high jump interface abstract animal class and concrete animal subclass in Eclipse
duration： 05 minutes 42 seconds

Section15 How to generate a jar package in Eclipse and import it into a new project
duration： 05 minutes 51 seconds

Section16 How to create help documents and use jar packages in Eclipse
duration： 05 minutes 44 seconds

Section17 How to delete projects and import projects in Eclipse
duration： 04 minutes 06 seconds

Section18 Small issues to pay attention to when importing projects into Eclipse
duration： 04 minutes 51 seconds

Section19 Things to note when receiving projects during Eclipse development
duration： 03 minutes 04 seconds

Section20 Basic use of debug in Eclipse
duration： 14 minutes 52 seconds

Section21 Eclipse looks at parameter passing issues in Java
duration： 07 minutes 51 seconds

Section22 API overview
duration： 03 minutes 25 seconds

Section23 Learn the similarities and differences between Chinese and programming languages
duration： 07 minutes 28 seconds

Section24 Overview of Object class
duration： 03 minutes 34 seconds

Section25 hashCode() method of Object class
duration： 04 minutes 49 seconds

Section26 getClass() method of Object class
duration： 04 minutes 07 seconds

Section27 toString() method of Object class
duration： 13 minutes 04 seconds

Section28 equals() method of Object class
duration： 13 minutes 19 seconds

Section29 Code optimization of equals() method of Object class
duration： 11 minutes 20 seconds

Section30 finalize() method and clone() method of Object class
duration： 11 minutes 38 seconds
Chapter12 JAVA common objects (1)
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Section1 Scanner overview and construction method principles
duration： 09 minutes 51 seconds

Section2 Explanation of hasNextXxx() and nextXxx() methods of Scanner class
duration： 06 minutes 22 seconds

Section3 Scanner to obtain data minor problems and solutions
duration： 11 minutes 02 seconds

Section4 Overview of the String class
duration： 05 minutes 08 seconds

Section5 String class constructor
duration： 13 minutes 14 seconds

Section6 Characteristics of String cannot be changed once assigned
duration： 07 minutes 48 seconds

Section7 The difference between String literal objects and objects created by constructors
duration： 06 minutes 55 seconds

Section8 String interview questions look at the program writing results
duration： 05 minutes 13 seconds

Section9 Judgment function of String class
duration： 12 minutes 09 seconds

Section10 Simulated user login case
duration： 08 minutes 17 seconds

Section11 Breakpoint to view simulated user login case
duration： 04 minutes 10 seconds

Section12 The enhanced version of the simulated user login case joins the guessing game
duration： 05 minutes 37 seconds

Section13 Breakpoint view simulated user login case enhanced version joins the guessing game
duration： 04 minutes 28 seconds

Section14 Get function of String class
duration： 13 minutes 26 seconds

Section15 String traversal
duration： 04 minutes 18 seconds

Section16 Cases of counting the number of uppercase, lowercase and numeric characters
duration： 08 minutes 43 seconds

Section17 Breakpoint to view statistics on the number of uppercase, lowercase and numeric characters
duration： 02 minutes 50 seconds

Section18 Conversion function of String class
duration： 12 minutes 04 seconds

Section19 Convert the first letter of the string to uppercase and the rest to lowercase
duration： 05 minutes 18 seconds

Section20 Other functions of String class
duration： 07 minutes 01 seconds

Section21 Source code analysis of compareTo() method of String class
duration： 10 minutes 26 seconds

Section22 A case of concatenating int arrays into strings
duration： 05 minutes 28 seconds

Section23 An improved version of the case of concatenating int arrays into strings
duration： 02 minutes 45 seconds

Section24 String reversal case
duration： 07 minutes 38 seconds

Section25 Illustration of case ideas for finding the number of occurrences of a small string in a large string
duration： 09 minutes 18 seconds

Section26 Case code implementation of finding the number of occurrences of a small string in a large string
duration： 07 minutes 03 seconds

Section27 Find the number of occurrences of a small string in a large string case code optimization
duration： 02 minutes 38 seconds

Section28 Breakpoint to view the case of finding the number of occurrences of a small string in a large string
duration： 03 minutes 53 seconds

Section29 Overview of StringBuffer
duration： 12 minutes 13 seconds

Section30 Constructor method of StringBuffer class
duration： 09 minutes 22 seconds

Section31 Added functionality to StringBuffer
duration： 09 minutes 03 seconds

Section32 StringBuffer deletion function
duration： 06 minutes 42 seconds

Section33 StringBuffer replacement function
duration： 03 minutes 13 seconds
Chapter13 JAVA common objects (2)
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Section1 StringBuffer reverse function
duration： 02 minutes 26 seconds

Section2 StringBuffer interception function
duration： 04 minutes 08 seconds

Section3 Conversion between StringBuffer and String
duration： 07 minutes 18 seconds

Section4 Example of concatenating arrays into strings in a specified format
duration： 05 minutes 17 seconds

Section5 String reversal function example
duration： 05 minutes 25 seconds

Section6 Determine whether a string is symmetrical case
duration： 07 minutes 17 seconds

Section7 Two small interview questions about StringBuffer
duration： 06 minutes 08 seconds

Section8 String and StringBuffer are passed as parameters respectively
duration： 09 minutes 48 seconds

Section9 Illustration of the principle of advanced bubble sorting of arrays
duration： 14 minutes 14 seconds

Section10 Array advanced bubble sort code implementation
duration： 12 minutes 15 seconds

Section11 Illustration of the principle of advanced selection sorting of arrays
duration： 12 minutes 55 seconds

Section12 Array advanced selection sort code implementation
duration： 08 minutes 17 seconds

Section13 Sorting characters in a string case
duration： 04 minutes 32 seconds

Section14 Illustration of the principle of advanced binary search in arrays
duration： 11 minutes 16 seconds

Section15 Array advanced binary search code implementation
duration： 07 minutes 22 seconds

Section16 Things to note when using binary search
duration： 03 minutes 01 seconds

Section17 Overview and use of Arrays tool class
duration： 07 minutes 37 seconds

Section18 Source code analysis of Arrays tool class
duration： 14 minutes 20 seconds

Section19 Introduction of basic type wrapper classes
duration： 08 minutes 28 seconds

Section20 Integer constructor
duration： 04 minutes 03 seconds

Section21 Conversion between String and int types
duration： 09 minutes 09 seconds

Section22 Operation of base conversion in Integer
duration： 09 minutes 14 seconds

Section23 New features of JDK5: automatic boxing and unboxing
duration： 08 minutes 47 seconds

Section24 Interview questions about direct assignment of Integer
duration： 08 minutes 51 seconds

Section25 Overview of Character
duration： 03 minutes 17 seconds

Section26 Explanation of common methods of Character
duration： 04 minutes 18 seconds

Section27 Count the number of uppercase, lowercase and number occurrences in a string
duration： 05 minutes 51 seconds

Section28 How to verify a QQ number case
duration： 09 minutes 30 seconds

Section29 Overview and basic use of regular expressions
duration： 04 minutes 28 seconds

Section30 Regular expression composition rules
duration： 13 minutes 14 seconds

Section31 Regular expression judgment function
duration： 07 minutes 35 seconds

Section32 Verification email case
duration： 07 minutes 47 seconds

Section33 Regular expression split function
duration： 08 minutes 28 seconds
Chapter14 JAVA common objects (3)
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Section1 A small exercise in splitting functions
duration： 05 minutes 16 seconds

Section2 Sorting numbers in a string case
duration： 06 minutes 40 seconds

Section3 Regular expression replacement function
duration： 06 minutes 02 seconds

Section4 Overview of Patterns and Matchers
duration： 06 minutes 07 seconds

Section5 Regular expression acquisition function
duration： 09 minutes 37 seconds

Section6 Math class overview and method usage
duration： 17 minutes 10 seconds

Section7 How to get random number cases in any range
duration： 07 minutes 49 seconds

Section8 Overview and method usage of Random class
duration： 08 minutes 54 seconds

Section9 An explanation of the garbage collection method gc() in the System class
duration： 09 minutes 11 seconds

Section10 Explanation of exit() and currentTimeMillis() in System class
duration： 09 minutes 07 seconds

Section11 Explanation of arraycopy() in System class
duration： 06 minutes 05 seconds

Section12 Overview and construction method of BigInteger
duration： 05 minutes 20 seconds

Section13 The use of addition, subtraction, multiplication and division of BigInteger
duration： 04 minutes 20 seconds

Section14 Introduction and overview of BigDecimal
duration： 06 minutes 53 seconds

Section15 Use of addition, subtraction, multiplication and division of BigDecimal
duration： 07 minutes 49 seconds

Section16 Overview and construction method of Date
duration： 06 minutes 48 seconds

Section17 Conversion between date and milliseconds in Date class
duration： 03 minutes 33 seconds

Section18 DateFormat implements mutual conversion between dates and strings
duration： 18 minutes 27 seconds

Section19 Writing and testing cases for date tool classes
duration： 09 minutes 37 seconds

Section20 How many days have you been in this world? Case Study
duration： 06 minutes 47 seconds

Section21 Overview of the Calendar class and methods for obtaining calendar fields
duration： 11 minutes 15 seconds

Section22 add() and set() methods of Calendar class
duration： 06 minutes 08 seconds

Section23 How to get the number of days in February of any year
duration： 06 minutes 32 seconds
Chapter15 JAVA collection framework (1)
expand retract

Section1 JAVA collection framework (1)
duration： 10 minutes 41 seconds

Section2 Memory diagram for array of objects
duration： 08 minutes 19 seconds

Section3 The origin of sets and their differences from arrays
duration： 07 minutes 56 seconds

Section4 Collection inheritance system diagram
duration： 10 minutes 26 seconds

Section5 Collection function overview
duration： 13 minutes 06 seconds

Section6 Basic functional testing of Collection collection
duration： 11 minutes 55 seconds

Section7 Advanced functional testing of Collections
duration： 09 minutes 43 seconds

Section8 Collection traversal, set to array traversal
duration： 06 minutes 16 seconds

Section9 Collection stores custom objects and iterates through cases
duration： 05 minutes 35 seconds

Section10 Iterator traversal of collections
duration： 08 minutes 55 seconds

Section11 Collection stores custom objects and iterates through cases
duration： 04 minutes 59 seconds

Section12 Discussion on issues using iterators
duration： 05 minutes 21 seconds

Section13 Illustration of steps for using collections
duration： 07 minutes 12 seconds

Section14 The principle and source code analysis of iterators
duration： 14 minutes 36 seconds

Section15 Collection stores strings and traverses
duration： 04 minutes 12 seconds

Section16 Collection stores student objects and traverses
duration： 06 minutes 49 seconds

Section17 List stores strings and traverses
duration： 02 minutes 59 seconds

Section18 Characteristics of List collection
duration： 05 minutes 51 seconds

Section19 List stores student objects and traverses
duration： 02 minutes 52 seconds

Section20 Overview and testing of unique features of List collection
duration： 10 minutes 42 seconds

Section21 Unique traversal function of List collection
duration： 04 minutes 01 seconds

Section22 List stores custom objects and traverses
duration： 04 minutes 00 seconds

Section23 Unique functions of ListIterator
duration： 10 minutes 54 seconds

Section24 Causes and solutions of concurrent modification exceptions
duration： 09 minutes 22 seconds

Section25 Data structures stack and queue
duration： 11 minutes 05 seconds

Section26 Data structures arrays and linked lists
duration： 17 minutes 20 seconds

Section27 Characteristics of the three subclasses of List
duration： 07 minutes 41 seconds

Section28 ArrayList stores strings and traverses
duration： 05 minutes 15 seconds

Section29 ArrayList stores custom objects and traverses
duration： 05 minutes 15 seconds

Section30 Vector’s unique features
duration： 07 minutes 26 seconds

Section31 Unique functions of LinkedList
duration： 06 minutes 44 seconds

Section32 Remove duplicate string elements from the ArrayList collection Case 1
duration： 08 minutes 29 seconds

Section33 Breakpoint view to remove duplicate elements case 1
duration： 03 minutes 20 seconds

Section34 Remove duplicate string elements from the ArrayList collection Case 2
duration： 08 minutes 54 seconds
Chapter16 JAVA collection framework (2)
expand retract

Section1 Case of removing duplicate custom object elements from ArrayList collection
duration： 09 minutes 46 seconds

Section2 Collection code to implement stack structure using LinkedList
duration： 04 minutes 14 seconds

Section3 Use LinkedList to simulate a collection of stack data structures and merge test cases
duration： 06 minutes 53 seconds

Section4 Generics Overview and Basic Usage
duration： 14 minutes 59 seconds

Section5 ArrayList stores strings and traverses the generic version
duration： 03 minutes 42 seconds

Section6 ArrayList stores custom objects and traverses the generic version
duration： 07 minutes 48 seconds

Section7 Introducing generics through Object transformation issues
duration： 06 minutes 04 seconds

Section8 Overview and use of generic classes
duration： 08 minutes 42 seconds

Section9 Overview and use of generic methods
duration： 08 minutes 51 seconds

Section10 Overview and use of generic interfaces
duration： 05 minutes 47 seconds

Section11 Advanced generic wildcards
duration： 08 minutes 04 seconds

Section12 Enhance the overview and use of for
duration： 10 minutes 42 seconds

Section13 ArrayList stores strings and traverses the enhanced for version
duration： 02 minutes 46 seconds

Section14 ArrayList stores custom objects and traverses the enhanced for version
duration： 06 minutes 52 seconds

Section15 Overview and use of static imports
duration： 06 minutes 05 seconds

Section16 Overview and use of variable parameters
duration： 09 minutes 44 seconds

Section17 Use of the asList() method of the Arrays tool class
duration： 05 minutes 36 seconds

Section18 Case illustration of collection nested storage and traversal elements
duration： 07 minutes 28 seconds

Section19 Case code implementation of collection nested storage and traversal elements
duration： 08 minutes 07 seconds

Section20 Generating 10 random numbers between 1 and 20 requires that the random numbers cannot be repeated.
duration： 06 minutes 35 seconds

Section21 Case of inputting multiple data with the keyboard and outputting the maximum value on the console
duration： 09 minutes 43 seconds

Section22 Source code analysis of toString() method of ArrayList collection
duration： 09 minutes 57 seconds

Section23 User login registration case analysis illustration
duration： 09 minutes 05 seconds

Section24 Detailed analysis of user login registration cases and implementation of subcontracting
duration： 09 minutes 42 seconds

Section25 User login registration case implementation of user basic description class and user operation interface
duration： 05 minutes 43 seconds

Section26 User login registration case specific implementation of user operation class
duration： 04 minutes 47 seconds

Section27 Implementation of user test class for user login registration case
duration： 13 minutes 35 seconds

Section28 User login registration case user test class small problem solving
duration： 04 minutes 01 seconds

Section29 User login registration case join the guessing number game
duration： 08 minutes 55 seconds

Section30 Console shopping management system function demonstration
duration： 13 minutes 59 seconds

Section31 Set collection overview and characteristics
duration： 07 minutes 22 seconds

Section32 HashSet stores strings and traverses
duration： 02 minutes 58 seconds

Section33 Source code analysis of HashSet to ensure element uniqueness
duration： 20 minutes 19 seconds
Chapter17 JAVA collection framework (3)
expand retract

Section1 HashSet stores custom objects and traverses
duration： 06 minutes 25 seconds

Section2 HashSet code implementation and illustration to ensure element uniqueness
duration： 26 minutes 03 seconds

Section3 HashSet stores custom objects and iterates through exercises
duration： 08 minutes 07 seconds

Section4 Overview and use of LinkedHashSet
duration： 03 minutes 34 seconds

Section5 TreeSet stores elements of type Integer and traverses them
duration： 05 minutes 46 seconds

Section6 Source code analysis of TreeSet to ensure element sorting
duration： 11 minutes 21 seconds

Section7 The principles and diagrams of TreeSet to ensure element uniqueness and natural ordering
duration： 12 minutes 28 seconds

Section8 TreeSet stores custom objects and traverses exercise 1
duration： 12 minutes 26 seconds

Section9 TreeSet stores custom objects and traverses Exercise 2
duration： 06 minutes 10 seconds

Section10 The principle and code implementation of TreeSet to ensure element uniqueness and comparator sorting
duration： 10 minutes 05 seconds

Section11 Reinterpretation of the source code of TreeSet's add() method and summary of TreeSet's sorting of elements
duration： 06 minutes 47 seconds

Section12 Generate 10 random numbers between 1-20 and require that the random numbers cannot be repeated. Simple version of the case
duration： 04 minutes 05 seconds

Section13 Case study of inputting student information with the keyboard and sorting it by total score and then outputting it on the console
duration： 14 minutes 43 seconds

Section14 Map collection overview and features
duration： 10 minutes 34 seconds

Section15 Function overview of Map collection
duration： 08 minutes 08 seconds

Section16 Basic functional testing of Map collection
duration： 12 minutes 53 seconds

Section17 Map collection acquisition function test
duration： 04 minutes 53 seconds

Section18 Map collection traversal to find the key value
duration： 07 minutes 20 seconds

Section19 Traversing the Map collection to find the key and value of the key-value pair object
duration： 07 minutes 19 seconds

Section20 Comparison of two methods of Map collection traversal
duration： 11 minutes 06 seconds

Section21 A case where the HashMap collection key is Stirng and the value is String
duration： 07 minutes 36 seconds

Section22 A case where the HashMap collection key is an Integer and the value is a String
duration： 05 minutes 35 seconds

Section23 The case where the HashMap collection key is String and the value is Student
duration： 05 minutes 28 seconds

Section24 The case where the HashMap collection key is Student and the value is String
duration： 06 minutes 04 seconds

Section25 Overview and use of LinkedHashMap
duration： 03 minutes 58 seconds

Section26 TreeMap collection key is a String value is a case of String
duration： 04 minutes 13 seconds

Section27 The case where the TreeMap collection key is Student and the value is String
duration： 07 minutes 05 seconds

Section28 Case illustration of counting the number of occurrences of each character in a string
duration： 10 minutes 32 seconds

Section29 Case code implementation for counting the number of occurrences of each character in a string
duration： 07 minutes 51 seconds

Section30 Breakpoint to view statistics of the number of occurrences of each character in a string
duration： 06 minutes 02 seconds

Section31 Case of HashMap collection nested HashMap collection
duration： 11 minutes 27 seconds

Section32 Case of HashMap collection nested ArrayList collection
duration： 04 minutes 38 seconds

Section33 Case of ArrayList collection nested HashMap collection
duration： 03 minutes 56 seconds
Chapter18 JAVA collection framework (4)
expand retract

Section1 Aggregate multiple levels of nested data analysis
duration： 07 minutes 36 seconds

Section2 Collection of multi-level nested code manifestations
duration： 12 minutes 40 seconds

Section3 The difference between HashMap and Hashtable
duration： 06 minutes 17 seconds

Section4 Overview of the Collections utility class
duration： 02 minutes 47 seconds

Section5 Explanation of common methods of Collections tool class
duration： 08 minutes 30 seconds

Section6 ArrayList stores custom objects and sorts cases
duration： 10 minutes 00 seconds

Section7 Simulate the card shuffling and dealing of Landlords
duration： 14 minutes 53 seconds

Section8 Illustration of the principle of simulating the card shuffling, dealing and sorting of cards in Landlord
duration： 08 minutes 28 seconds

Section9 Code implementation to simulate Doudizhu shuffling and dealing cards and sorting the cards
duration： 14 minutes 48 seconds

Section10 Summary of characteristics and data structures of collections
duration： 10 minutes 23 seconds

Section11 How to choose which collection to use?
duration： 05 minutes 28 seconds

Section12 Summary of common functions and traversal methods of various collections
duration： 05 minutes 13 seconds
Chapter19 JAVA IO stream (1)
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Section1 Overview of IO streaming technology
duration： 13 minutes 25 seconds

Section2 Overview and classification of exceptions
duration： 15 minutes 27 seconds

Section3 How the JVM handles exceptions by default
duration： 05 minutes 01 seconds

Section4 Handling exceptions using try...catch 1
duration： 09 minutes 06 seconds

Section5 Handling exceptions using try...catch 2
duration： 15 minutes 12 seconds

Section6 JDK7’s handling solution for multiple exceptions
duration： 05 minutes 12 seconds

Section7 The difference between compile-time exceptions and run-time exceptions
duration： 07 minutes 21 seconds

Section8 Several common methods of Throwable
duration： 10 minutes 54 seconds

Section9 Handling exceptions using throws
duration： 09 minutes 15 seconds

Section10 Overview of throw and the difference from throws
duration： 08 minutes 01 seconds

Section11 How to handle exceptions?
duration： 02 minutes 26 seconds

Section12 Characteristics and functions of finally keyword
duration： 08 minutes 13 seconds

Section13 Interview questions: The difference between final, finally and finalize
duration： 05 minutes 39 seconds

Section14 Interview question: If there is return before finally
duration： 07 minutes 04 seconds

Section15 An overview of variations in exception handling and custom exceptions
duration： 05 minutes 43 seconds

Section16 Implementation and testing of custom exceptions
duration： 09 minutes 35 seconds

Section17 Unusual precautions
duration： 07 minutes 03 seconds

Section18 Overview and construction method of File class
duration： 08 minutes 56 seconds

Section19 File class creation function
duration： 16 minutes 14 seconds

Section20 Delete function of File class
duration： 10 minutes 12 seconds

Section21 Renaming function of File class
duration： 05 minutes 05 seconds

Section22 Judgment function of File class
duration： 04 minutes 13 seconds

Section23 File class acquisition function
duration： 05 minutes 39 seconds

Section24 Advanced acquisition functions of File class
duration： 04 minutes 44 seconds

Section25 Example of outputting the file name with the specified suffix in the specified directory
duration： 04 minutes 04 seconds

Section26 File filter improvement case for outputting file names with specified suffixes in specified directories
duration： 09 minutes 16 seconds

Section27 Source code of list() method with file name filter
duration： 04 minutes 13 seconds

Section28 Batch modification of file names case
duration： 13 minutes 32 seconds

Section29 Recursion overview and considerations
duration： 16 minutes 04 seconds

Section30 Ideas and illustrations of recursive problem solving
duration： 11 minutes 10 seconds

Section31 Code implementation and memory diagram for recursively finding factorial
duration： 11 minutes 26 seconds

Section32 Breakpoint to view the execution process of recursive factorial calculation
duration： 02 minutes 03 seconds

Section33 Immortal Rabbit Problem Case
duration： 14 minutes 01 seconds
Chapter20 JAVA IO stream (2)
expand retract

Section1 Example of recursively outputting the absolute paths of all java files in a specified directory
duration： 07 minutes 30 seconds

Section2 Recursively delete directory with content case
duration： 06 minutes 39 seconds

Section3 Breakpoint to view the execution process of deleting a directory with content
duration： 05 minutes 14 seconds

Section4 Overview and classification of IO flows
duration： 10 minutes 23 seconds

Section5 Overview of IO stream base class and a simple requirements analysis
duration： 06 minutes 11 seconds

Section6 Constructor of FileOutputStream
duration： 08 minutes 53 seconds

Section7 FileOutputStream writes data
duration： 09 minutes 56 seconds

Section8 Three write() methods of FileOutputStream
duration： 06 minutes 43 seconds

Section9 FileOutputStream writes data to implement line breaks and append writing
duration： 10 minutes 07 seconds

Section10 FileOutputStream writes data and adds exception handling
duration： 07 minutes 45 seconds

Section11 FileInputStream reads data
duration： 12 minutes 34 seconds

Section12 Byte stream copy text file case 1
duration： 08 minutes 26 seconds

Section13 How does the computer recognize and concatenate two bytes into Chinese?
duration： 03 minutes 36 seconds

Section14 Byte stream copy text file case 2
duration： 02 minutes 45 seconds

Section15 Byte stream copy picture case
duration： 02 minutes 57 seconds

Section16 Byte stream copy video case 1
duration： 04 minutes 40 seconds

Section17 FileInputStream reads data one byte array at a time
duration： 17 minutes 58 seconds

Section18 Comparison of two ways to read data using FileInputStream
duration： 07 minutes 54 seconds

Section19 Byte stream copy text file case 3
duration： 03 minutes 37 seconds

Section20 Byte stream copy video case 2
duration： 02 minutes 48 seconds

Section21 BufferedOutputStream writes data
duration： 09 minutes 12 seconds

Section22 BufferedInputStream reads data
duration： 04 minutes 15 seconds

Section23 Four ways of byte stream copying MP4 and testing efficiency
duration： 10 minutes 44 seconds

Section24 Reasons and formats for the occurrence of conversion streams
duration： 07 minutes 16 seconds

Section25 Overview of coding tables and common coding tables
duration： 15 minutes 02 seconds

Section26 Encoding and decoding issues in String class
duration： 14 minutes 09 seconds

Section27 Use of conversion stream OutputStreamWriter
duration： 08 minutes 59 seconds

Section28 Use of conversion stream InputStreamReader
duration： 05 minutes 13 seconds

Section29 5 ways to write data in character streams
duration： 12 minutes 20 seconds

Section30 Two ways to read data from character streams
duration： 03 minutes 42 seconds

Section31 Character stream copy text file case 1
duration： 05 minutes 48 seconds

Section32 Character stream copy text file case 2
duration： 08 minutes 41 seconds

Section33 Character stream copy text file case 3
duration： 03 minutes 29 seconds
Chapter21 JAVA IO stream (3)
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Section1 The use of character buffer output stream BufferedWriter
duration： 05 minutes 05 seconds

Section2 The use of character buffer input stream BufferedReader
duration： 02 minutes 59 seconds

Section3 Character buffer stream copy text file case 1
duration： 03 minutes 22 seconds

Section4 Special features of character buffer streams
duration： 08 minutes 07 seconds

Section5 Character buffer stream copy text file case 2
duration： 02 minutes 51 seconds

Section6 IO flow summary diagram
duration： 08 minutes 50 seconds

Section7 5 ways to copy text files
duration： 09 minutes 36 seconds

Section8 4 ways to copy pictures
duration： 10 minutes 38 seconds

Section9 Example of storing data in a collection into a text file
duration： 04 minutes 33 seconds

Section10 Store data in text files into collections case
duration： 03 minutes 58 seconds

Section11 Randomly obtain name cases from text files
duration： 03 minutes 34 seconds

Section12 Copy single-level folder case
duration： 08 minutes 32 seconds

Section13 Copy the file with the specified suffix in the specified directory and modify the name case
duration： 12 minutes 32 seconds

Section14 Breakpoint to view the execution process of copying files and modifying the suffix name case
duration： 06 minutes 49 seconds

Section15 Copy multi-level folder case
duration： 10 minutes 26 seconds

Section16 Case study of inputting student information using the keyboard, sorting it by total score and writing it into a text file
duration： 13 minutes 41 seconds

Section17 Example of sorting strings in one file and then writing them to another file
duration： 04 minutes 47 seconds

Section18 Custom class simulates BufferedReader's readLine() function case
duration： 18 minutes 43 seconds

Section19 Use cases for LineNumberReader
duration： 04 minutes 24 seconds

Section20 Custom class simulates LineNumberReader's function case of getting line numbers
duration： 09 minutes 07 seconds

Section21 Knowledge review of login registration cases
duration： 09 minutes 05 seconds

Section22 Login registration case IO version implementation
duration： 18 minutes 06 seconds

Section23 Overview and explanation of data input and output flows
duration： 09 minutes 20 seconds

Section24 Overview and explanation of memory operation flow
duration： 10 minutes 53 seconds

Section25 Overview and features of print streams
duration： 07 minutes 44 seconds

Section26 PrintWriter is used as a subclass of Writer
duration： 02 minutes 21 seconds

Section27 PrintWriter implements automatic refresh and line wrapping
duration： 07 minutes 27 seconds

Section28 Print flow improvement copy text file case
duration： 06 minutes 17 seconds

Section29 Overview of standard input and output streams and the nature of output statements
duration： 06 minutes 27 seconds

Section30 Three ways to achieve keyboard entry
duration： 09 minutes 50 seconds
Chapter22 JAVA IO stream (4)
expand retract

Section1 Output statements are improved with character buffer streams
duration： 07 minutes 12 seconds

Section2 Random access flow overview and writing out data
duration： 07 minutes 31 seconds

Section3 Random access streams read data and manipulate file pointers
duration： 05 minutes 29 seconds

Section4 Combined streams read the contents of two files and copy them into one file
duration： 11 minutes 01 seconds

Section5 Merge streams to read the contents of multiple files and copy them into one file
duration： 06 minutes 25 seconds

Section6 Overview and use of serialization and deserialization streams
duration： 15 minutes 38 seconds

Section7 How to solve the yellow warning line problem during serialization
duration： 10 minutes 35 seconds

Section8 How to prevent object member variables from being serialized
duration： 02 minutes 18 seconds

Section9 Overview of Properties and use as a Map collection
duration： 06 minutes 46 seconds

Section10 Use of special functions of Properties
duration： 07 minutes 09 seconds

Section11 Load() and store() functions of Properties
duration： 12 minutes 51 seconds

Section12 Determine whether the specified key exists in the file. If so, modify the value.
duration： 04 minutes 15 seconds

Section13 How to make the guessing number game only playable 5 times
duration： 11 minutes 08 seconds

Section14 Introduction to NIO and a case of NIO under JDK7
duration： 11 minutes 44 seconds
Chapter23 JAVA multi-threading (1)
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Section1 The introduction of multi-threaded programs
duration： 09 minutes 24 seconds

Section2 Process overview and the significance of multiple processes
duration： 15 minutes 36 seconds

Section3 Overview of threads and the significance of multithreading
duration： 08 minutes 02 seconds

Section4 Examples of multithreading and the difference between parallelism and concurrency
duration： 05 minutes 08 seconds

Section5 Is the running principle of Java program and the startup of JVM multi-threaded?
duration： 05 minutes 48 seconds

Section6 How to implement multi-threading and multi-threading method 1 ideas
duration： 06 minutes 29 seconds

Section7 Code implementation of multi-threading mode 1
duration： 14 minutes 28 seconds

Section8 Get and set thread object name
duration： 17 minutes 28 seconds

Section9 Thread scheduling and getting and setting thread priority
duration： 12 minutes 44 seconds

Section10 Thread control sleeping thread
duration： 05 minutes 36 seconds

Section11 Thread control - joining thread
duration： 04 minutes 12 seconds

Section12 Thread control courtesy thread
duration： 04 minutes 09 seconds

Section13 Thread control daemon thread
duration： 07 minutes 51 seconds

Section14 Thread control interrupt thread
duration： 07 minutes 55 seconds

Section15 Thread life cycle diagram
duration： 09 minutes 39 seconds

Section16 The idea and code implementation of multi-threading mode 2
duration： 07 minutes 29 seconds

Section17 Graphical comparison and differences between two methods of multithreading
duration： 06 minutes 59 seconds

Section18 Case Study of Selling Movie Tickets by Inheriting Thread Class
duration： 10 minutes 44 seconds

Section19 Case Study of Selling Movie Tickets by Implementing Runnable Interface
duration： 04 minutes 20 seconds

Section20 Analysis of the reasons why there are same tickets and negative tickets when buying movie tickets
duration： 13 minutes 04 seconds

Section21 Analysis of the causes of thread safety issues
duration： 05 minutes 30 seconds

Section22 Synchronized code blocks solve thread safety issues
duration： 07 minutes 58 seconds

Section23 Explanation of synchronized code blocks solving thread safety issues
duration： 05 minutes 25 seconds

Section24 Characteristics, benefits and drawbacks of synchronization
duration： 04 minutes 22 seconds

Section25 Fast locks for synchronized code and problems with application of synchronization methods and locks
duration： 12 minutes 33 seconds

Section26 Review of previous thread-safe classes
duration： 04 minutes 27 seconds

Section27 Overview and use of Lock after JDK5
duration： 13 minutes 02 seconds

Section28 Overview and use of deadlock problems
duration： 13 minutes 22 seconds

Section29 Producer-consumer problem description diagram
duration： 06 minutes 26 seconds
Chapter24 JAVA multi-threading (2)
expand retract

Section1 Producer consumer problem code 1
duration： 11 minutes 33 seconds

Section2 Producer consumer question code 2 and solve thread safety issues
duration： 13 minutes 25 seconds

Section3 Illustration of the producer-consumer waiting wake-up mechanism idea
duration： 07 minutes 18 seconds

Section4 Code implementation of producer-consumer waiting wake-up mechanism
duration： 10 minutes 13 seconds

Section5 Code analysis of producer-consumer waiting wake-up mechanism
duration： 06 minutes 35 seconds

Section6 Thread state transition diagram and common execution situations
duration： 02 minutes 56 seconds

Section7 Overview and use of thread groups
duration： 13 minutes 07 seconds

Section8 Producer-consumer waiting wake-up mechanism code optimization
duration： 07 minutes 28 seconds

Section9 Overview and use of thread pools
duration： 17 minutes 37 seconds

Section10 The idea and code implementation of multi-threading mode 3
duration： 07 minutes 28 seconds

Section11 Summing case of multi-threading mode 3
duration： 06 minutes 51 seconds

Section12 Implementing multi-threaded programs using anonymous inner classes
duration： 07 minutes 09 seconds

Section13 Overview and use of timers
duration： 12 minutes 26 seconds

Section14 Multiple execution code embodiment of scheduled tasks
duration： 02 minutes 27 seconds

Section15 Delete specified directories with content regularly
duration： 09 minutes 49 seconds

Section16 Common interview questions about multithreading
duration： 07 minutes 28 seconds
Chapter25 JAVA design patterns
expand retract

Section1 An overview of common object-oriented design principles
duration： 09 minutes 27 seconds

Section2 Overview and classification of design patterns
duration： 10 minutes 24 seconds

Section3 Overview and use of simple factory pattern
duration： 14 minutes 57 seconds

Section4 Overview and use of the factory method pattern
duration： 08 minutes 47 seconds

Section5 Singleton pattern: Hungry style
duration： 08 minutes 07 seconds

Section6 The lazy style of singleton pattern
duration： 08 minutes 02 seconds

Section7 Java code in singleton mode embodies the Runtime class
duration： 07 minutes 44 seconds
Chapter26 JAVA GUI
expand retract

Section1 GUI overview and the difference between GUI and CLI
duration： 03 minutes 55 seconds

Section2 The difference between java.awt and javax.swing packages
duration： 03 minutes 16 seconds

Section3 Component inheritance diagram in GUI
duration： 08 minutes 25 seconds

Section4 HelloWorld form case
duration： 10 minutes 19 seconds

Section5 Optimize HelloWorld form case code
duration： 07 minutes 52 seconds

Section6 Overview and examples of event listening mechanism principles
duration： 10 minutes 13 seconds

Section7 Form close case
duration： 04 minutes 58 seconds

Section8 Adapter design pattern explained
duration： 09 minutes 40 seconds

Section9 Adapter class improves form closing case
duration： 02 minutes 07 seconds

Section10 Add a button to the form and add an event case to the button
duration： 17 minutes 37 seconds

Section11 Transfer text box value to text field case
duration： 12 minutes 09 seconds

Section12 Change the background color by moving the mouse over the button case
duration： 11 minutes 12 seconds

Section13 How to control that only numeric characters can be entered in the text box
duration： 12 minutes 35 seconds

Section14 First level menu case
duration： 08 minutes 47 seconds

Section15 Multi-level menu case
duration： 08 minutes 33 seconds

Section16 Overview and use of Netbeans
duration： 09 minutes 37 seconds

Section17 Simulation of four arithmetic operations cases
duration： 18 minutes 13 seconds

Section18 Modify the icon code of the form
duration： 07 minutes 53 seconds

Section19 How to set the code to center the form
duration： 06 minutes 44 seconds

Section20 How to modify the code of the form's skin
duration： 11 minutes 02 seconds

Section21 Add checksum prompts to four arithmetic operations cases
duration： 09 minutes 23 seconds

Section22 Review of the package structure of user login registration
duration： 03 minutes 51 seconds

Section23 Implementation of basic functions of user login and registration
duration： 08 minutes 23 seconds

Section24 User login and registration interface implementation
duration： 04 minutes 53 seconds

Section25 User login and registration interface jumps
duration： 05 minutes 32 seconds

Section26 The final version of user login registration
duration： 12 minutes 42 seconds

Section27 User login registration to join four arithmetic operations cases
duration： 10 minutes 36 seconds
Chapter27 JAVA network programming
expand retract

Section1 Network Programming Overview
duration： 04 minutes 19 seconds

Section2 Network model overview and illustration
duration： 13 minutes 08 seconds

Section3 Overview of the three elements of network programming
duration： 06 minutes 31 seconds

Section4 Overview of IP in the Three Elements of Network Programming 1
duration： 15 minutes 15 seconds

Section5 IP Overview of Three Elements of Network Programming 2
duration： 05 minutes 34 seconds

Section6 Overview and use of the InetAddress class
duration： 08 minutes 06 seconds

Section7 Ports of the three elements of network programming
duration： 03 minutes 46 seconds

Section8 Protocols of the three elements of network programming
duration： 07 minutes 03 seconds

Section9 Socket communication principle diagram
duration： 04 minutes 39 seconds

Section10 UDP protocol sends data
duration： 11 minutes 09 seconds

Section11 UDP protocol receives data
duration： 09 minutes 38 seconds

Section12 Diagram of sending and receiving data using UDP protocol
duration： 03 minutes 56 seconds

Section13 UDP protocol sending and receiving data code optimization
duration： 06 minutes 03 seconds

Section14 The data on the sending end comes from the keyboard entry case
duration： 06 minutes 26 seconds

Section15 DOS window demonstration simple chat applet
duration： 02 minutes 51 seconds

Section16 Multi-threaded chat room program
duration： 06 minutes 57 seconds

Section17 Demonstration of a GUI version of the chat program case
duration： 09 minutes 23 seconds

Section18 TCP protocol sends data
duration： 07 minutes 36 seconds

Section19 TCP protocol receives data
duration： 09 minutes 30 seconds

Section20 Illustration of sending and receiving data using TCP protocol
duration： 09 minutes 25 seconds

Section21 The server gives the client a feedback case
duration： 06 minutes 08 seconds

Section22 Client keyboard input server console output
duration： 09 minutes 37 seconds

Section23 Client keyboard input server writes to text file
duration： 06 minutes 13 seconds

Section24 Client reads text file server console output
duration： 05 minutes 01 seconds

Section25 TCP protocol upload text file
duration： 05 minutes 05 seconds

Section26 TCP upload text file and give feedback
duration： 11 minutes 31 seconds

Section27 TCP protocol uploads pictures and gives feedback
duration： 10 minutes 04 seconds

Section28 Thoughts on uploading multiple clients to one server
duration： 04 minutes 24 seconds

Section29 Multi-threading improves the case of multiple clients uploading files
duration： 07 minutes 49 seconds
Chapter28 JAVA Reflection
expand retract

Section1 Class loading overview and loading timing
duration： 06 minutes 39 seconds

Section2 Overview and classification of class loaders
duration： 07 minutes 43 seconds

Section3 Reflection overview
duration： 05 minutes 45 seconds

Section4 Three ways to obtain class file objects
duration： 12 minutes 22 seconds

Section5 Obtain the no-argument constructor through reflection and use
duration： 13 minutes 05 seconds

Section6 Obtain the parameterized constructor through reflection and use
duration： 04 minutes 52 seconds

Section7 Get the private constructor via reflection and use
duration： 07 minutes 36 seconds

Section8 Get member variables through reflection and use
duration： 10 minutes 40 seconds

Section9 Obtain member methods with no parameters and return values through reflection and use
duration： 08 minutes 04 seconds

Section10 Obtain member methods with parameters and return values through reflection and use
duration： 04 minutes 49 seconds

Section11 Run configuration file contents via reflection
duration： 10 minutes 39 seconds

Section12 Bypassing generic checks via reflection
duration： 06 minutes 23 seconds

Section13 Write a general method to set a certain property of an object to a specified value through reflection
duration： 07 minutes 33 seconds

Section14 Lead intermediaries through user additions, deletions, modifications and student logins and registrations
duration： 12 minutes 49 seconds

Section15 Overview and implementation of dynamic agents
duration： 17 minutes 16 seconds

Section16 Overview and use of template design patterns
duration： 13 minutes 40 seconds

Section17 Decoration mode overview and usage
duration： 17 minutes 56 seconds
Chapter29 JAVA JDK5 new features
expand retract

Section1 Review of new features of JDK5
duration： 02 minutes 37 seconds

Section2 Implement your own enumeration class
duration： 14 minutes 17 seconds

Section3 Implement enum class through enum
duration： 09 minutes 38 seconds

Section4 Notes on enumerations
duration： 04 minutes 02 seconds

Section5 Common ways to enumerate classes
duration： 08 minutes 24 seconds

Section6 Review and explanation of six new features of JDK7
duration： 11 minutes 51 seconds

Section7 Download, install and uninstall JDK
duration： 08 minutes 39 seconds

Section8 Interfaces can also have methods
duration： 09 minutes 42 seconds

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