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  • Java 继承——2

     

    创建如下三个类:(People类中的三个方法分别输出一些信息,ChinaPeople

    和AmericanPeople类重写父类的三个方法)。

    package text1;
    
    public class People {
    	
    	protected double height;
    	protected double weight;
    	
    	public void speak()
    	{
    		System.out.println("hello");
    	}
    	public void averageHeight()
    	{
    		System.out.println("身高");
    	}
    	public void averageWeight()
    	{
    		System.out.println("体重");
    	}
    
    }
    
    package text1;
    
    public class Chinapeople extends People {
    	
    	
    	public void speak()
    	{
    		System.out.println("你好");
    	}
    	public void averageHeight()
    	{
    		System.out.println("中国身高");
    	}
    	public void averageWeight()
    	{
    		System.out.println("中国体重");
    	}
    	public void chinagongfu()
    	{
    		System.out.println("站如松");
    	}
    
    }
    
    package text1;
    
    public class Americanpeople extends People {
    	
    	public void speak()
    	{
    		System.out.println("Hello!!!!!!");
    	}
    	public void averageHeight()
    	{
    		System.out.println("height");
    	}
    	public void averageWeight()
    	{
    		System.out.println("weight");
    	}
    	public void americanboxing()
    	{
    		System.out.println("拳击");
    	}
    
    }
    
    package text1;
    
    public class text12 {
    
    	public static void main(String[] args) {
    		// TODO 自动生成的方法存根
    		People p=new People();
    		p.speak();
    		p.averageHeight();
    		p.averageWeight();
    		Chinapeople c=new Chinapeople();
    		c.speak();
    		c.averageHeight();
    		c.averageWeight();
    		c.chinagongfu();
    		Americanpeople a=new Americanpeople();
    		a.speak();
    		a.averageHeight();
    		a.averageWeight();
    		a.americanboxing();
    
    	}
    
    }
    

     

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  • 原文地址:https://www.cnblogs.com/jakeasd/p/5516745.html
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