目录 1.成员变量&全局变量&局部变量&静态变量、常量和方法 2.对象和引用 3.supper &this 4. Integer的valueOf(String str)和parseInt(String str) 1.成员变量&全局变量&局部变量&静态变量、常量和方法 https://mp.youkuaiyun.com/postedit/84783501 2.对象和引用 https://mp.youkuaiyun.com/postedit/84784816 3.supper &this https://mp.youkuaiyun.com/postedit/84784826 4. Integer的valueOf(String str)和parseInt(String str) https://blog.youkuaiyun.com/yysave/article/details/84966656