随机抽取游戏

随机抽取游戏

 

//随机抽奖游戏。

import java.util.*;

public class LotteryDrawing 

{

     public static void main(String[] args) 

    {

     Scanner in=new Scanner(System.in);

     

     System.out.print("How many numbers do you need to draw?");

     int k=in.nextInt();

     System.out.print("What is the highest number you can draw?");

     int n=in.nextInt();

     

     int[] numbers=new int[n];

     for(int i=0;i<numbers.length;i++)

     {

    	 numbers[i]=i+1;

     }

     int[] result=new int[k];

     for(int i=0;i<result.length;i++)

     {

    	 int r=(int)(Math.random()*n);

    	 result[i]=numbers[r];

    	 numbers[r]=numbers[n-1];

    	 n--;

     }

     Arrays.sort(result);

     System.out.println("Bet the following combination.It'll make you rich!");

     for(int i=0;i<result.length;i++)

    	 System.out.print(result[i]);

	}

}