Here you can find the source of getRandomInt()
Returns a random integer value.
public static int getRandomInt()
//package com.java2s; /**/* w ww . j a v a2 s. c o m*/ * (C) Copyright IBM Corp. 2010, 2015 * * 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 { /** * <p> * Returns a random integer value. * </p> * * @return random integer value */ public static int getRandomInt() { Random random = new Random(System.currentTimeMillis()); int randomValue = random.nextInt(); return randomValue; } }