1-查看當(dāng)前本機(jī)JVM版本：
/usr/libexec/java_home -V
2- 安裝jdk1.7
??https://developer.oracle.com/java
??傻瓜安裝即可；
3-res
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裝好1.7
裝好1.7
4-裝idea
??裝社區(qū)版；配置jdk1.7;運(yùn)行示例會(huì)出現(xiàn)：
objc[73488]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/bin/java and /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home/jre/lib/libinstrument.dylib. One of the two will be used. Which one is undefined.
的錯(cuò)誤；原因以及解決：
https://blog.csdn.net/lizhaowei213/article/details/68951671
