方法

Misama 2014-07-31 01:43:08

package aaa;

import java.util.*;

public class Question2 {

	

	/*1.Get a integer(shuffle times) from keyboard and judge whether it is out of range,

	 *2.Save the original order of cards into a String[], 

	 *3.Output the original order,

	 *4.Generate two random number by (int)(Math.random()*52) and assign their value to parameter x and y, then swap String[x] and String[y],

	 *5.Repeat Step.4 for a required times mentioned above, then output the result.

	 */

	

	public static void main(String args[]){//the main method

		

		Scanner cin = new Scanner(System.in);//use Scanner to get the input

		int shuffleTimes = cin.nextInt();//the shuffle times

		

		if( shuffleTimes<1 ||shuffleTimes>1000 ){//whether the shuffle times is out of range

			System.out.println("ERROR: Input " + shuffleTimes + " out of range, try again!");

			return;

		}



		String[] cards = {"2-Spd","3-Spd","4-Spd","5-Spd","6-Spd","7-Spd","8-Spd","9-Spd","10-Spd","J-Spd","Q-Spd","K-Spd","A-Spd",

				 "2-Hrt","3-Hrt","4-Hrt","5-Hrt","6-Hrt","7-Hrt","8-Hrt","9-Hrt","10-Hrt","J-Hrt","Q-Hrt","K-Hrt","A-Hrt",

				 "2-Dmd","3-Dmd","4-Dmd","5-Dmd","6-Dmd","7-Dmd","8-Dmd","9-Dmd","10-Dmd","J-Dmd","Q-Dmd","K-Dmd","A-Dmd",

				 "2-Clb","3-Clb","4-Clb","5-Clb","6-Clb","7-Clb","8-Clb","9-Clb","10-Clb","J-Clb","Q-Clb","K-Clb","A-Clb"

				};//save the original cards

		

		System.out.println("Before shuffle:");

		OutputCards.execute(cards);//the output method in OutputCards.java

		System.out.println();

		

		System.out.println("After shuffle:");

		ShuffleCards.execute(cards, shuffleTimes);//the shuffle method in ShuffleCards.java

		OutputCards.execute(cards);//output the final order,over		

		

	}

	

}