test001.java

双色球机选程序 为买双色球机选的朋友提供一个简单程序 使用了冒泡法和随机函数

/**
 * 
 */
package com.xiaoran.test;

import java.util.Random;

/**
 * @author jkll
 *
 */
public class Test001 {

	/**
	 * 
	 */
	public Test001() {
		// TODO Auto-generated constructor stub
	}

	private final static Integer[] RED = { 
			1, 	2, 	3, 	4, 	5, 	6, 	7, 	8, 	9, 	10, 11,
			12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 
			23, 24, 25, 26, 27, 28,	29, 30, 31, 32, 33, };
	private final static Integer[] BLUE = { 
			1, 2, 	3, 	4, 	5, 	6, 	7, 	8, 
			9, 10, 11, 12, 13, 14, 15, 16, };

	private static Integer RandomInteger(int i) {
		Random rd = new Random();
		return rd.nextInt(i);
	}
	
	private static Integer[] maoPao(Integer[] a) {
		int k = 0;
		for(int j=0;j<a.length-1;j++) {
			for(int i=0;i<a.length-1-j;i++)
				if(a[i]>a[i+1]){
					k = a[i];
					a[i] = a[i+1];
					a[i+1] = k;
				}
		}
		return a;
	}

	public static void redAndBlue() {
		Integer[] redBall = new Integer[6];
		Integer blueBall = 0;
		for(int i=0;i<6;i++)
			redBall[i] = RED[Test001.RandomInteger(33)];
		Test001.maoPao(redBall);
		blueBall = BLUE[Test001.RandomInteger(16)];
		String[] tt = Test001.format(redBall, blueBall);
		String tmp = "";
		for(int i=0;i<tt.length;i++){
			tmp += tt[i]+" ";
		}
		System.out.println(tmp.substring(0, tmp.length()-1));
	}
	
	private static String[] format(Integer[] redBall,Integer blueBall){
		String[] tmp = new String[7];
		for(int i=0;i<redBall.length;i++){
			tmp[i] = redBall[i]<10?"0"+redBall[i]:String.valueOf(redBall[i]);
		}
		tmp[6] = blueBall<10?"0"+blueBall:String.valueOf(blueBall);
		return tmp;
	}


	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		for(int i=0;i<16;i++){
			if(i%3==1)
				Test001.redAndBlue();
		}
	}

}