目 录
Ⅰ、语法基础
..........................................................................................................................................................................................
1
Ⅱ、面向对象思想
..................................................................................................................................................................................
1
Ⅲ、类设计基础
......................................................................................................................................................................................
1
❶类
...........................................................................................................................................................................................................
1
1.6 方法的递归
................................................................................................................................................................................
1
1.3 域的定义
....................................................................................................................................................................................
2
1.4 方法的定义
................................................................................................................................................................................
2
1.5 方法重载
....................................................................................................................................................................................
2
❷对象
.......................................................................................................................................................................................................
3
2.1 对象的声明与创建
...................................................................................................................................................................
3
2.2 对象的使用
................................................................................................................................................................................
3
2.3 构造方法
....................................................................................................................................................................................
3
2.4 对象的内存模型
........................................................................................................................................................................
4
2.5this
................................................................................................................................................................................................
4
2.6 参数传递
....................................................................................................................................................................................
5
2.7 对象数组
....................................................................................................................................................................................
5
2.8 static 关键字
..............................................................................................................................................................................
5
2.9@Deprecated 注解
.....................................................................................................................................................................
7
❸访问权限
.............................................................................................................................................................................................
8
3.1private 修饰成员
........................................................................................................................................................................
8
3.2public 成员
..................................................................................................................................................................................
9
3.3protected 修饰成员
....................................................................................................................................................................
9
3.4 默认的访问权限
........................................................................................................................................................................
9
3.5public 修饰类
............................................................................................................................................................................
10
❹对象组合
...........................................................................................................................................................................................
10
❺嵌套类
...............................................................................................................................................................................................
10
❻Java 的包
...........................................................................................................................................................................................
10
6.1package 语句
.............................................................................................................................................................................
11
6.2import 语句
...............................................................................................................................................................................
11
6.3 import static 语句
....................................................................................................................................................................
11
Ⅳ类设计进阶
........................................................................................................................................................................................
12
❶类的继承
.............................................................................................................................................................................................
12
1.1 子类的定义
..............................................................................................................................................................................
12
1.2 域的隐藏和方法的重写
.........................................................................................................................................................
14
1.3super 关键字
.............................................................................................................................................................................
15
1.4Object 类
...................................................................................................................................................................................
15
1.5instanceof 关键字
.....................................................................................................................................................................
17
1.6 子类的可访问性
......................................................................................................................................................................
19
1.7final 关键字
...............................................................................................................................................................................
19
❷类的多态
...........................................................................................................................................................................................
19
2.1 对象的赋值兼容规则
.............................................................................................................................................................
19
