package com.test;

public class Test {
    public static void main(String[] args) {
        GameItem gi1 = new Tank("我军坦克", 110);
        GameItem gi2 = new Tank("敌军坦克", 120);
        GameItem gi3 = new Tank("友军坦克", 130);
        gi1.move();
        gi2.move();
        gi3.move();
    }
}

abstract class GameItem{
    
    public String type;
    public int speed; 
    //等等一些共有的属性
    public GameItem(){
    }
    //构造的时候初始化所有属性
    public GameItem(String type, int speed) {
        super();
        this.type = type;
        this.speed = speed;
    }
    public abstract void move();
}

class Tank extends GameItem{

    public Tank(String type, int speed){
        super(type, speed);
    }
    @Override
    public void move() {
        System.out.println("是" + type + "在移动，移动速度为:" + speed);
    }
}