09 2017 档案

bounded generic type
摘要：37 down vote If you have a class hierarchy A, B is a subclass of A, and C and D both are subclass of B like below class A {} class B extends A {} clas 阅读全文
posted @ 2017-09-27 16:04 jvava 阅读(113) 评论(0) 推荐(0)