Here you can find the source of generateRandomWord()
public static String generateRandomWord()
//package com.java2s; /**//w ww . j a va2 s . c o m * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.text.NumberFormat; import java.util.Random; public class Main { static private Random rand = new Random(); private static NumberFormat idFormat = NumberFormat.getInstance(); /** * Generates a string of random digits. * * @return A random string. */ public static String generateRandomWord() { return idFormat.format(rand.nextLong()); } }