Java实验题3_1_林大锐格平台

import java.util.Scanner;
interface ShowMessage{
    void showTradeMark();
}

class TV implements ShowMessage{
	String a;
	TV(String a)
	{
		this.a=a;
	}
     public void showTradeMark()
     {
    	 System.out.println("I am TV "+a);
     }
}
public class Main{
        public static void main(String[] args){
            ShowMessage sm;
            Scanner sca = new Scanner(System.in);
            sm = new TV(sca.next());
            sm.showTradeMark();
        }
}