Here you can find the source of getString(int n, int arg[])
private static String getString(int n, int arg[])
//package com.java2s; /*/* ww w .j a va 2s . 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.util.Random; public class Main { private static Random rd = new Random(); private static String getString(int n, int arg[]) { StringBuilder res = new StringBuilder(); for (int i = 0; i < n; i++) { res.append(getChar(arg)); } return res.toString(); } private static char getChar(int arg[]) { int size = arg.length; int c = rd.nextInt(size / 2); c = c * 2; return (char) (getIntegerBetween(arg[c], arg[c + 1])); } public static int getIntegerBetween(int n, int m) { if (m == n) { return n; } int res = getIntegerMoreThanZero(); return n + res % (m - n); } public static int getIntegerMoreThanZero() { int res = rd.nextInt(); while (res <= 0) { res = rd.nextInt(); } return res; } }