JavaSE 基础 第34节 继承关系

package com.java1995;
/**
* 父类：人类
* @author Administrator
*
*/
public class People {
/**
* 封装
*/
private String name;
private int age;
/**
* 封装的实现
*/
public void eat(){
System.out.println("人在吃饭");
}

public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}

}

package com.java1995;
/**
* 二级子类：中国人
* @author Administrator
*
*/
public class Chinese extends People{
/**
* 继承
*/
public Chinese(){

super();
}
/**
* 子类方法
*/
public void speakChinese(){
System.out.println("中国人说汉语");
}

}

package com.java1995;
/**
* 三级子类：河北人
* @author Administrator
*
*/
public class HebeiPeople extends Chinese{
/**
* 子类方法
*/
public void speakHebeiLang(){
System.out.println("河北人说河北话");
}

}

package com.java1995;
/**
* 测试类
* @author Administrator
*
*/
public class Test {
public static void main(String[] args) {
HebeiPeople h=new HebeiPeople();
h.speakHebeiLang();
}

}