intellij idea下载安装以及创建项目（输出Hello World)

主题一:下载

第一:可以百度下载

第二:直接进行官网链接下载地址:http://www.jetbrains.com/idea/

第一步:

第二步:

下载完成后进行安装

主题二：安装

点击Next速度可能慢，等等就可以了

安装完成

主题三:使用软件

打开软件->ok

复制放入注册码后

注册码如下:

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