Fulei.java

package day5;

public class Fulei {
	String name;
	double version;
	String agent;
	public Fulei(String name, double version, String agent) {
		this.name=name;
		this.version=version;
		this.agent=agent;
		
	}
	//游戏开始
	public void start() {
		System.out.println("游戏启动!");
		
		
	}
	public void pause() {
		System.out.println("游戏暂停!");
		
	}
	public void exid(){
		System.out.println("游戏关闭!");
	}
	public void printInfo(){
		System.out.println("游戏名称:"+this.name+"版本号:"+this.version+"代理商:"+this.agent);
	}
}

DOTA.java

package day5;

public class DOTA extends Fulei {
	//游戏角色
	String gameRole="玛尔斯";
	

	public DOTA(String name, double version, String agent) {
		super(name, version, agent);
		//this.gameRole=gameRole;
		
	}
	
	public void printInfo() {
		System.out.println("新增游戏角色:"+this.gameRole);
		super.printInfo();
		
	}
	
}

Test.java

package day5;

public class Test {

	public static void main(String[] args) {
		DOTA l=new DOTA("DOTA 游戏",1.01,"V社");
		l.printInfo();
		
		
		
		

	}

}

运行结果: