IntelliJ IDEA下载安装

1、下载地址

https://www.jetbrains.com/idea/download/#section=windows

2、注册码

使用方法


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3、基本操作

https://blog.csdn.net/qq_31655965/article/details/52788374

4、遇到问题

<1>java 无效源版本 11

错误原因:Project Language Level与当前JDK版本不匹配(大概率是因为IDEA默认JDK版本高于当前项目的JDK版本)

解决:File >> Project Structure >> Project  >> Project Language Level

切换为SDK default

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