Here you can find the source of Random(int low, int high)
public static int Random(int low, int high)
//package com.java2s; /*/*from w w w . java2 s . c o m*/ * The $N Multistroke Recognizer (Java version) * * Jan Sonnenberg, Ph.D. * TU Braunschweig * Institut fuer Nachrichtentechnik * Schleinitzstr. 22 * 38106 Braunschweig * sonnenberg@ifn.ing.tu-bs.de * * Based on the $N Multistroke Recognizer (C# version) * * Lisa Anthony, Ph.D. * UMBC * Information Systems Department * 1000 Hilltop Circle * Baltimore, MD 21250 * lanthony@umbc.edu * * Jacob O. Wobbrock, Ph.D. * The Information School * University of Washington * Mary Gates Hall, Box 352840 * Seattle, WA 98195-2840 * wobbrock@u.washington.edu * * The Protractor enhancement was published by Yang Li and programmed * here by Lisa Anthony and Jacob O. Wobbrock. * * Li, Y. (2010). Protractor: A fast and accurate gesture * recognizer. Proceedings of the ACM Conference on Human * Factors in Computing Systems (CHI '10). Atlanta, Georgia * (April 10-15, 2010). New York: ACM Press, pp. 2169-2172. * * This software is distributed under the "New BSD License" agreement: * * Copyright (c) 2007-2011, Lisa Anthony and Jacob O. Wobbrock * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the University of Washington nor UMBC, * nor the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Jacob O. Wobbrock OR Lisa Anthony * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ public class Main { public static int Random(int low, int high) { return low + (int) (((double) high - (double) low) * Math.random()); } public static int[] Random(int low, int high, int num) { int[] array = new int[num]; for (int i = 0; i < num; i++) { array[i] = Random(low, high + 1); for (int j = 0; j < i; j++) { if (array[i] == array[j]) { i--; // redo i break; } } } return array; } }