电脑里面安装了两个JDK,目前项目使用的是JDK1.7,出现如下错误:
报错:Java compiler level does not match the version of the installed Java project facet.

1.Window->Preferences->Java->Compiler,修改配置:
报错:Java compiler level does not match the version of the installed Java project facet.

2.右击项目->properties->Java Compiler,修改配置:
报错:Java compiler level does not match the version of the installed Java project facet.
3.右击项目,Build Path ->Configure ->Java Build Path->Libraries
报错:Java compiler level does not match the version of the installed Java project facet.
4.Updata Project。

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