Unbound classpath container: ‘JRE System Library [jre1.8.0_151]‘ in project ‘Kata‘

错误Unbound classpath container: ‘JRE System Library [jre1.8.0_151]’ in project ‘Kata’，解决办法如下： 项目右键属性—>Java Build Path—>Libraries 如图：选中JRE System Library [JavaS3E1.7] 然后Remove掉， 删掉后再重新添加JRE，如图： 进入后如下图所示

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