在MyEclipse中编写Java代码时，用到了BASE64Decoder，import sun.misc.BASE64Decoder；可是Eclipse提示：Access restriction: The type BASE64Decoder is not accessible due to restriction on required library C:\Programfiles\java\jre6\lib\rt.jar Access restriction : The constructor BASE64Decoder() is not accessible due to restriction on required library C:\Program files\java\jre6\lib\rt.jar解决方案1（推荐）： 只需要在project build path中先移除JRE System Library，，再添加库JRE System Library，重新编译后就一切正常了。 解决方案2： Windows -> Preferences -> Java -> Compiler -> Errors/Warnings -> Deprecated and trstricted API -> Forbidden reference (access rules): -> change to warning
即使爬到最高的山上，一次也只能脚踏实地地迈一步。
