java compiler level does not match the version of the installed java project
右键项目“Properties”，在弹出的“Properties”窗口左侧，单击“Project Facets”，打开“Project Facets”页面。
在页面中的“Java”下拉列表中，选择相应版本就OK了
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今天有个工程打开发现一个小红叉，但是代码又没有错，就google一下，发现jdk版本不一致。 解决方法： 右键点击出错的工程，选择属性，在弹出的Properties中
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右键项目“Properties”，在弹出的“Properties”窗口左侧，单击“Project Facets”，打开“Project Facets”页面。
相关 解决java compiler level does not match the version of the installed java project facet
java compiler level does not match the version of the installed java project facet错误的解决
相关 Java compiler level does not match the version of the installed Java project
这个问题主要是工程设置和Java编译器版本设置不匹配造成的 ![Center][] ![Center 1][] 工程上右键点选属
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java compiler level does not match the version of the installed java project facet错误的解决
相关 java compiler level does not match the version of the installed java project facet
![SouthEast][] 解决办法：项目，右键选中properties——搜索Project Facets如下： ![SouthEast 1][] 选择跟你jd
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问题： ![70][] ![70 1][] 翻译Java编译器级别与安装的Java项目事实的版本不匹配。 ![70 2][] 将其修改为1.8，
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问题： Java compiler level does not match the version of the installed Java project facet
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