激活码分享

使用 IDEA 需要先使用激活码进行激活，成功激活之后才能够使用 IDEA 进行编程开发。

激活码我直接贴在这里了，大家直接复制到 IDEA 就行了：

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如果激活码失效了怎么办？永久激活最新版方案 IDEA：http://sigusoft.com/idea/721.html

Java JDK 下载、安装和配置教程

JDK的下载

2、往下拉，看到Developer Downloads ，点击 java

3、点击 Java (JDK) for Developers

4、选择你想要下载的jdk版本

5、点击 JDK Downloads ，往下拉，

(有可能会提示先登录账号，才能下载。没账号的可以注册一个)

我的系统是Windows的 64位，个人偏爱压缩版，

所以选择了jdk-14.0.1_windows-x64_bin.zip

(压缩版的话，放到指定的目录下，直接解压出来就行了)

JDK的安装

双击运行安装包

修改JDK安装目录

根据提示安装完成，这就完成jdk安装了，可以直接点关闭了。

JDK的环境配置

“我的电脑”右键→属性→高级系统设置→环境变量

点击“新建”，新建系统变量JAVA_HOME，值为JDK安装根目录

：编辑PATH变量，将刚刚新建的JAVA_HOME变量加上bin目录设置到PATH中

【 %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin; 】

JDK的配置验证

同时按住win + R，输入cmd，回车，进入命令提示符窗口

先输入 java –version 查看一下版本号。

再输入 java 看看有没有java相关信息

最后是一个关键点 输入 javac ，看看有没有相关信息

5. 如果没成功的话，可以重新检查一轮。基本上就是路径 配没配对的问题了。