解决方案1(推荐):
只需要在相应project的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。
Windows -> Preferences -> Java -> Compiler -> Errors/Warnings ->
Deprecated and trstricted API -> Forbidden reference (access rules): -> change to warning
原文:http://blog.youkuaiyun.com/jbxiaozi/article/details/7351768