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- Detailed introduction to variable naming conventions in java
- This article comes from the Java introductory tutorial column. It introduces the specifications of variable naming in detail. I hope it can help you. Package names should always consist of a lowercase word, such as com, xuetang9, company, etc.
- Javagetting Started 2515 2020-01-15 17:19:10
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- Can private methods in java be inherited?
- The private method in Java can be inherited, but after the subclass inherits it, it cannot be directly referenced and accessed. There will be public interface get, set and other methods in the parent class, which can be accessed through these two methods.
- Javagetting Started 4650 2020-01-15 16:38:24
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- The difference between T and ? in java generics
- The difference between T and ? in Java generics is: [T] represents a type, which can be added to a class, such as [class SuperClass<A>{}]; [?] is a wildcard character, which refers to all types and is generally used Define a reference variable so that it can point to multiple objects.
- Javagetting Started 5947 2020-01-15 16:28:17
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- Detailed explanation of java logic control statement examples
- This article comes from the Java introductory tutorial column. It explains the logical control statements in Java with examples. I hope it can help you. Logical control statements in java are divided into: 1. java selection structure; 2. java loop structure; 3. return, break, and continue statements.
- Javagetting Started 2535 2020-01-14 17:26:15
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- What are jdk, jre, and jvm? What's the connection?
- This article is recommended by the Java Quick Start column. It introduces to you what jdk, jre, jvm are, and the relationship between the three. I hope it can help you. jdk is the Java development kit, jre is the Java runtime environment, and jvm refers to the java virtual machine.
- Javagetting Started 11744 2020-01-13 17:10:05
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- Is java a compiled language or an interpreted language?
- Java is an interpreted language. Java is first compiled into a file of type [.class] by the compiler, and then the JVM reads one line from the [.class] file, interprets and executes one line, so Java is an interpreted language.
- Javagetting Started 5521 2020-01-13 16:39:14
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- The difference between java and js
- The differences between java and js are: 1. Java is a true object-oriented language, while js is a programming language based on objects and event-driven; 2. Java uses strong type variable checking, while js declares variables using weak types; 3. , java uses static binding, and js uses dynamic binding.
- Javagetting Started 3484 2020-01-13 16:22:54
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- How to configure java environment variables
- How to configure java environment variables: 1. Right-click [Computer], select [Properties], click [Advanced System Settings] to open the environment variable settings; 2. Create a new [JAVA_HOME] variable and edit the [Path] variable; 3. Create a new [Classpath] variable and edit it.
- Javagetting Started 522141 2022-04-07 20:11:47
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- How to download java
- The method to download java is: 1. First open the Oracle official website and select the [downloads] option in the homepage column; 2. Then select the [java for developers] option and select different environment jdk as needed; 3. Finally accept the license agreement and proceed Just download it.
- Javagetting Started 16455 2020-01-13 15:51:13
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- Java implements creating and reading formulas in excel
- This article is recommended by the Java Quick Start column. It introduces in detail how to create and read formulas in Excel through Java code through examples. I hope it can help you. When operating excel tables and using formulas to process data, you can create formulas to calculate data, or read formulas to obtain the source of data information.
- Javagetting Started 3410 2020-01-10 17:10:15
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- Java implements dynamic picture verification code
- This article is recommended by the Java introductory tutorial column. It introduces in detail how to implement dynamic image verification codes. I hope it can help you. Generating a verification code image generally requires the following steps: 1. Define the width and height; 2. Draw the background and border; 3. Create a random character set and random number object; 4. Draw the verification code characters; 5. Draw interference lines.
- Javagetting Started 2616 2020-01-09 17:21:48
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- Summary of how to create threads in java
- This article is recommended by the Java Quick Start column. It introduces several ways to create threads in Java through examples. I hope it can help everyone. Threads are generally created in Java in the following ways: 1. Inherit the Thread class; 2. Implement the Runnable interface; 3. Implement the Callable interface.
- Javagetting Started 2172 2020-01-08 16:59:06
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- Java implements integer reversal
- This article is recommended by the Java introductory tutorial column. The article gives two methods to achieve integer reversal. I hope it can help everyone. There are two ways to achieve integer reversal: one: convert int integer through String; two, reverse through remainder method.
- Javagetting Started 4324 2020-01-06 17:35:03
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- Some understandings about java regular rules?:,?=,?!
- This article is provided by the Java Quick Start column to share with you some understanding of Java regularity, hoping it can help you. In Java regular expressions, [()] means capturing groups and obtaining matches, and [()] saves the matching value in each group.
- Javagetting Started 2800 2020-01-04 17:20:31
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- What does public void mean?
- "Public void" is a method used for "rest", indicating that this method can be accessed in the project and has no return value; in Java, "public" is the access modifier of the class, and "void" means an empty type, with no return data.
- Javagetting Started 14701 2020-01-04 10:55:24
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