Java-What is the difference between <? super E> and <? extends E>?
来源：互联网 发布：淘宝网黄金生命胶囊 编辑：程序博客网 时间：2024/06/18 02:02
What is the difference between <? super E> and <? extends E>?
The first says that it's "some type which is an ancestor of E"; the second says that it's "some type which is a subclass of E". (In both cases E itself is okay.)
- Java-What is the difference between <? super E> and <? extends E>?
- What is the difference between test, [ and [[ ?
- difference between <? super T> and <? extends T> in Java
- Difference between <? super T> and <? extends T> in Java
- 浅谈java中<? super E> and <? extends E>的区别
- what is the difference between the setTimeout and setInterval
- What is the difference between DHTML and the DOM?
- What is the difference between the mouseover and mouseenter events?
- What is the difference between AWT and SWT?
- What is the difference between User Control and Custom Control?
- What is the difference between an EXE and a DLL?
- What is the difference between XML and C or C ?
- What is the difference between SMOD and CMOD?
- what is the difference between little-endian and big-endian.
- What is the difference between procedural and nonprocedural language?
- What is the difference between a thread and a process?
- What is the difference between objectForKey and valueForKey?
- What is the difference between Microsoft TMG and UAG ?
- poj 3087
- 查找整个数据库里某个字段在哪些表里
- 数组的循环右移
- IE 打開文件亂碼 等
- IIS 配置问题 一些iis常见问题的解决方法
- Java-What is the difference between <? super E> and <? extends E>?
- 临时文件创建及使用函数
- 英文标点符号使用和意义
- sqlPlus页面乱码
- 唯美伤感个性日志推荐：有一种美因距离而产生
- Hadoop常用命令
- Hadoop 參數設定 – mapred-site.xml
- ArcGIS for iOS 开发系列(6) – 基础篇-图层-动态图层
- 按位反转字符问题
