java 错误：The type java.util.Comparator cannot be resolved. It is indirectly referenced from required
The type java.util.Comparator cannot be resolved. It is indirectly referenced from required .class files1、错误描述：
源项目编译环境为jdk1.7
后来换成了jdk1.8
Myeclipse编译器报错：Java the type java.util.comparator cannot resolved it is indirectly referenced from required .class files
出错位置为PriorityQueue<Point> queue =new PriorityQueue<Point>();
提示错误为:Java the type java.util.comparator cannot resolved it is indirectly referenced from required .class
2、解决方法：
右键项目-》build path-》configure build -》Libraries-》add Library-》添加新的jre(不是jdk，是jre)
本人默认配置的jre6版本的，更换成了jre7，成功解决该错误；
3、参考链接：
https://stackoverflow.com/questions/31956269/the-type-java-util-comparator-cannot-be-resolved
