/* * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package vm.compiler.share; public class Random { private int current; public Random(int init) { this.current = init; } //big prime number private static long BASE = 1003001; public int nextInt() { current = (int) ((long) current * current % BASE - 1); return current; } public int nextInt(int n) { return nextInt() % n; } /** * for testing purposes * @param args */ public static void main(String[] args) { Random r = new Random(11); int[] a = new int[100]; for(int i=0; i<1000; i++) { a[r.nextInt(100)]++; } for(int i=0; i<100; i++){ System.out.println(times(a[i])); } } public static String times(int n) { StringBuilder sb = new StringBuilder(); for(int i=0; i