Helper

 

package com.HYEON.helper;

public class UtilHelper {
    private static UtilHelper current;

    public static UtilHelper getInstance() {
        if (current == null) {
            current = new UtilHelper();
        }

        return current;
    }

    private UtilHelper() {
        super();
    }

    public int random(int min, int max) {
        int num = (int) ( ( Math.random() * (max-min+1) ) + min );
        return num;
    }
}