2016年6月7日
Effective Java 英文 第二版 读书笔记 Item 9:Always override hashCode when you override equals
摘要： you must override hashCode in every class that overrides equals,particularly HashMap,HashSet,Hashtable. The key provision that is violated when you fa 阅读全文
posted @ 2016-06-07 09:39 郁闷紫番薯 阅读(182) 评论(0) 推荐(0) 编辑