package Inherit3;
/*
父亲的东西儿子都可以用。
继承格式:
class 父类{
}
class 子类 extends 父类{
}
/
public class Inherit3 {public static void main(String[] args) {
People p = new People(); p.setName("张三"); p.setAge(22); p.say(); Student s = new Student(null, 0); s.setName("李四"); s.setAge(49); s.say();
}
}
class People {
private String name;
private int age;
// 构造get/set方法
public String getName() {
return "";
}
public void setName(String name) {
this.name = name;
}
public String getAge() {
return "";
}
public void setAge(int age) {
this.age = age;
}
void say() {
System.out.println("我是" + name + " 今年" + age + "岁了");
}
}
class Student extends People {
public Student(String name, int age) {
super();
}
}