Java example

Java environment setting example

1. Java example – How to compile a Java file?

2. Java Example - How to run a compiled class file in Java?

3. Java Example - How to execute a specified class file directory (classpath)?

4. Java Instance – How to check the version of Java currently running?

Java String

1. Java Example – String comparison

2. Java Example – Find the last occurrence of a string

3. Java Example – Delete a string A character in

4. Java Example - String Replacement

5. Java Example - String Reverse

6. Java Example-String Search

7. Java Example-String Splitting

8. Java Example-String Lowercase Conversion to Uppercase

9. Java Example - Test whether two string areas are equal

10. Java Example - String Performance Comparison Test

11. Java Example-String Optimization

12. Java Example-String Formatting

13. Java Example-Concatenation String

Java Array

1. Java Example – Array Sorting and Element Search

2. Java Example – Adding Elements to Array

3. Java Example – Get Array Length

4. Java Example – Reverse Array

5. Java Example – Array output

6. Java example – Array gets the maximum and minimum value

7. Java example – Array merge

8. Java Example – Array Filling

9. Java Example – Array Expansion

10. Java Example – Array Sorting and Search

11. Java Example – Delete Array Elements

12. Java Example – Array Difference

13. Java Example – Array Intersection

14. Java Example – Find the specified element in the array

15. Java Example – Determine whether the array is equal

16. Java Example - Array Union

Java Time Processing

1. Java Example - Formatted Time (SimpleDateFormat)

2. Java Example - Get the current time

3. Java Example - Get the year, month, etc.

4. Java Example - Timestamp conversion Time to complete

Java Method

1. Java Example – Method Overload

2. Java Example – Output Array Elements

3. Java Example – Tower of Hanoi Algorithm

4. Java Example – Fibonacci Sequence

5. Java Instance – Factorial

6. Java Instance – Method Override

7. Java Instance – instanceOf Keyword Usage

8. Java Example – break keyword usage

9. Java Example – continue keyword usage

10. Java Example – Label (Label)

11. Java Example – Use of enum and switch statements

12. Java Example – Use of Enum (enumeration) constructor and method

13. Java Example – Use of for and foreach loops

14. Java Example – Use of Varargs variable parameters

15. Java Example – Overloading Using Varargs in the (overloading) method

Java File Operation

1. Java Example - File Writing

2. Java Example - Read file content

3. Java Example - Delete file

4. Java Example - Copy file content to another A file

5. Java Example - Append data to the file

6. Java Example - Create a temporary file

7. Java Example - Modify the last modification date of the file

8. Java Example - Get the file size

9. Java Example - File Rename

10. Java Example - Set file read-only

11. Java Example - Check whether the file exists

12. Java Example- Create a file in the specified directory

13. Java instance-get file modification time

14. Java instance-create file

15. Java Example - File Path Comparison

Java Directory Operation

1. Java Example - Recursive Directory Creation

2. Java Example - Delete Directory

3. Java Example - Determine whether the directory is empty

4. Java Example - Determine File Whether to hide

5. Java instance-get directory size

6. Java instance-find files in the specified directory

7. Java Example - Get the upper-level directory of the file

8. Java Example - Get the last modification time of the directory

9. Java Example - Print directory structure

10. Java Example - Traverse all directories under the specified directory

11. Java Example - Traverse all files under the specified directory

12. Java Example - Find files in the specified directory

13. Java Example - Traverse the system root directory

14. Java Example - View the current Working Directory

15. Java Example - Traversing Directory

1. Java Example-Exception handling method

2. Java Example-Multiple exception handling (multiple catches)

3. Java Example-Usage of Finally

4. Java Example-Use catch to handle exceptions

5. Java Example-Multi-threaded exception handling

6. Java Example- Get exception stack information

7. Java instance - overloaded method exception handling

8. Java instance - chain test exception

9. Java Example – Custom Exception

1. Java Example – Number Sum Operation

2. Java Example – Convert infix expression to suffix using stack

3. Java Example – At the beginning and end of LinkedList

4. Java instance – Get the first element of the linked list (LinkedList)

5. Java instance – Delete the element in the linked list

6. Java Example – Get the elements of the linked list

7. Java Example – Get the index value of the vector element

8. Java Example – implementation of stack

9. Java example – search for linked list elements

10. Java example – method of pushing and popping the stack to implement string reversal

11. Java Example – Queue Usage

12. Java Example – Get the Maximum Element of a Vector

13. Java Example – Linked List Modification

14. Java Example – Rotation Vector

Java Collection

1. Java Example – Convert Array to Set

2. Java Example – Set Comparison

3. Java Example – HashMap Traversal

4. Java Example – Collection Length

5. Java Example – Collection Shuffle Order

6. Java Example – Collection Traversal

7. Java Example – Reverse Collection

8. Java Example – Delete the specified element in the collection

9. Java Example – Read Only Collection

10. Java Example – Collection Output

11. Java Example – Collection to Array

12. Java Example – List loop moves elements

13. Java example – Find the maximum and minimum value in List

14. Java example – Traverse the key values ​​of HashTable

15. Java Example – Use Enumeration to traverse HashTable

16. Java Example – Add different types of elements to the collection

17. Java Example – List element replacement

18. Java example – List interception

Java network example

1. Java instance – Get the IP address of the specified host

2. Java instance – Check whether the port is already in use

3. Java instance – Get the local ip Address and host name

4. Java instance – Get remote file size

5. ##Java instance – Socket implements multi-threaded server program

6. Java Example – View the last modification time of the specified file on the host

7. Java Example – Use Socket to connect to the specified host

8. Java Example – Web scraping

9. Java Example – Obtain the date information of the URL response header

10. Java Example – Obtain the URL response header information

11. Java instance – parsing URL

12. Java instance – ServerSocket and Socket communication instance

1. Java Instance – Check whether the thread is alive

2. Java Instance – Get the current thread name

3. Java instance – status monitoring

4. Java instance – thread priority setting

5. Java instance – deadlock and solution

6. Java instance – Get thread id

7. Java instance – Thread hangs

8. Java instance – Terminate thread

9. Java Instance – Producer/Consumer Issue

10. Java Instance – Get Current Thread Name

11. Java Instance – Status Monitoring

12. Java Instance – Thread Priority Setting

13. Java Example – Deadlock and Solution

14. Java Example – Obtain Thread Status

15. Java Example – Get all threads

16. Java instance – view thread priority

17. Java instance – interrupt thread