jframe - Access restriction on library Java library -


i new programming , trying create window in java eclipse , got error message @ runtime.

how fix error or allow access library?

exception in thread "main" java.lang.error: unresolved compilation problems:  access restriction: type jframe not accessible due restriction on required library c:\program files\java\jre1.8.0_25\lib\rt.jar

your appreciated.

i removed , re-added jre system library , worked me.

for task navigation is: select project -> buildpath -> libraries


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