138-打球过程

[java]代码库

import java.util.Scanner;
public class Main{
    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);     
 
         int no = scan.nextInt();
         String score = scan.next();     
         if( no == 1)
         {
        	 FootballMatch f = new FootballMatch(score);
        	 f.checkin();
             f.start();
             f.play();
             f.end();
             f.annouceResult();
         }
        else
        {
        	BasketBallMatch b= new BasketBallMatch(score);
            b.checkin();
            b.start();
            b.play();
            b.end();
            b.annouceResult();
        }
         scan.close();
    }
}
abstract class BallMatch
{
	public void checkin()
	{
		System.out.println("now checking in");
	}
	public void start()
	{
		System.out.println("now starting");
	}
	abstract public void play();
	public void end()
	{
		System.out.println("now ending");
	}
	abstract public void annouceResult();
}
class FootballMatch extends BallMatch
{
	private String score;
	public FootballMatch(String s)
	{
		score = s;
	}
	public void play()
	{
		System.out.println("now playing football");
	}
	public void annouceResult()
	{
		System.out.print("now annoucing result: ");
		System.out.println(score);
	}
}
class BasketBallMatch extends BallMatch
{
	private String score;
	public BasketBallMatch(String s)
	{
		score = s;
	}
	public void play()
	{
		System.out.println("now playing basketball");
	}
	public void annouceResult()
	{
		System.out.print("now annoucing result: ");
		System.out.println(score);
	}
}