03 2017 档案

摘要:如上代码返回: isAssignable方法的注释 Determines if the class or interface represented by this Class object is either the same as, or is a superclass or superinte 阅读全文
posted @ 2017-03-20 13:15 XIAOSHUA 阅读(284) 评论(0) 推荐(0) 编辑
摘要:如上代码运行报:Exception in thread "main" java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String 原因:func方法在编译时,println方法默认用的是: pr 阅读全文
posted @ 2017-03-18 09:15 XIAOSHUA 阅读(6857) 评论(0) 推荐(0) 编辑