随机双色球

/*
 * Creation : 29 Feb 2016
 */
package cn.newtouch.doubleball;

import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * The Class GetDoubleBall.
 */
public class GetDoubleBall {

	/** The Constant RESULT_COUNT. */
	private static final int RESULT_COUNT = 8;

	/** The result. */
	private static Set<Integer> result = new HashSet<Integer>();

	// (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)
	/** The Constant redExistList. */
	public static final List<Integer> redExistList = Arrays.asList(1, 2, 3, 6, 7, 8, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 25, 26, 27, 28, 29);

	/**
	 * The main method.
	 * 
	 * @param args
	 *            the arguments
	 */
	public static void main(String[] args) {
		result.add(10);
		while (result.size() < RESULT_COUNT) {
			Integer temp = getRandLt33();
			if (redExistList.contains(temp)) {
				result.add(temp);
			}
		}
		System.out.println(result.toString());
	}

	/**
	 * Gets the rand lt33.
	 * 
	 * @return the rand lt33
	 */
	public static int getRandLt33() {
		return 1 + (int) (Math.random() * 33);
	}
}