Java:基本语法(关键字、注释)
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@ -82,5 +82,37 @@ int c = a++;
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variable x = (expression) ? value if true : value if false
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```
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## 关键字
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| 类别 | | | | | | | |
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| -------------------- | -------- | ---------- | -------- | ------------ | ---------- | --------- | ------ |
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| 访问控制 | private | protected | public | | | | |
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| 类,方法和变量修饰符 | abstract | class | extends | final | implements | interface | native |
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| | new | static | strictfp | synchronized | transient | volatile | |
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| 程序控制 | break | continue | return | do | while | if | else |
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| | for | instanceof | switch | case | default | | |
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| 错误处理 | try | catch | throw | throws | finally | | |
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| 包相关 | import | package | | | | | |
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| 基本类型 | boolean | byte | char | double | float | int | long |
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| | short | null | true | false | | | |
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| 变量引用 | super | this | void | | | | |
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| 保留字 | goto | const | | | | | |
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## 注释
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```java
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public class HelloWorld {
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/*
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* 这是第一个Java程序
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* 它将打印Hello World
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* 这是一个多行注释的示例
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*
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*/
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public static void main(String[] args){
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// 这是单行注释的示例
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/* 这个也是单行注释的示例 */
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System.out.println("Hello World");
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}
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}
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```
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