xiaozhengyu#StudyNotes#静态类型与函数重载1

# 静态类型与函数重载 --- 有以下代码： ```java public class Main { public static class Human {} public static class Man extends Human {} public static class Woman extends Human {} public static void sayHello(Human human) { System.out.println("human"); } public static void sayHello(Man man) { System.out.println("man"); } public static void sayHello(Woman woman) { System.out.println("woman"); } public static void main(String[] args) { Human human; human = new Human(); Main.sayHello(human); human = new Man(); Main.sayHello(human); human = new Woman(); Main.sayHello(human); } } ``` 上