Access restriction: The type 'Resource' is not API (restriction on required library 'G:\JAVA\jdk\lib

问题：

打入JFrame时候，会报错：Access restriction: The type ‘Resource‘ is not API (restriction on required library ‘G:\JAVA\jdk\lib

解决方式：

项目属性preferences>java build path>把右侧【libraries中的JRE System Library】删除重新导入.

Access restriction: The type 'Resource' is not API (restriction on required library 'G:\JAVA\jdk\lib

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