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Java 继承——2

时间:2016-05-22 15:19:47      阅读:202      评论:0      收藏:0      [点我收藏+]

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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)。

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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();

	}

}

 技术分享

Java 继承——2

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

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