package com.imooc;

public abstract class Human {//父類

public abstract void speak();

}

package com.imooc;

public class Chinese extends Human {

@Override

public void speak() {

// TODO Auto-generated method stub

System.out.println("中國人說中國話");

}

}

package com.imooc;

public class American extends Human {

@Override

public void speak( ) {

// TODO Auto-generated method stub

System.out.println("美國人說英語");

}

}

package com.imooc;

import java.util.Scanner;

public class Test3 {

public static void main(String[] args) {

Human h1=new Chinese();

Human h2=new American();

Scanner s=new Scanner(System.in);

System.out.println("請輸入不同國家的人（如Chinese）");

? ? if(s.nextLine().equals("Chinese")) {

? ? h1.speak();

? ? }

? ? if(s.nextLine().equals("American")) {

? ? h2.speak();

? ? }

}

}