Here you can find the source of generateRandomNumber(int from, int to)
Parameter | Description |
---|---|
from | lower bound of generated number |
to | upper bound of generated number |
public static int generateRandomNumber(int from, int to)
//package com.java2s; /*//from ww w .j a va 2s .com * Copyright (c) 2015 Symmetric Infinity LLC * * MIT License * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import java.util.Random; public class Main { private static final Random r = new Random(); /** * Generates random number in given range. * * @param from lower bound of generated number * @param to upper bound of generated number * @return random number from given range */ public static int generateRandomNumber(int from, int to) { return r.nextInt(to - from + 1) + from; } }