java 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();
    }

}