The compiler compliance specified is 1.7 but a JRE

警告:The compiler compliance specified is 1.7 but a JRE 1.8 is used 解决: 右键点击项目>Properties>Java Compiler>将Compiler compliance level改为1.8 ,再点击Apply and close 转载于:https://blog.51cto.com/14150615/2339511
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