Java tutorial
//package com.java2s; /* * CommonUtils.java * * Copyright (C) 2013 6 Wunderkinder GmbH. * * @author Jose L Ugia - @Jl_Ugia * @version 1.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Random; public class Main { private static Random mRandom; /** * Get a random boolean */ public static boolean getNextRandomBoolean() { if (mRandom == null) { mRandom = new Random(); } return mRandom.nextBoolean(); } }