Java Random Long getLongBetween(long n, long m)

Description

get Long Between

License

Apache License

Declaration

public static long getLongBetween(long n, long m) 

Method Source Code

//package com.java2s;
/*/*from w ww  . j  av a 2  s.  co  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();

    public static long getLongBetween(long n, long m) {
        if (m <= n) {
            return n;
        }
        long res = getLongMoreThanZero();
        return n + res % (m - n);
    }

    public static long getLongMoreThanZero() {
        long res = rd.nextLong();
        while (res <= 0) {
            res = rd.nextLong();
        }
        return res;
    }
}

Related

1. generateRandomBySampleSeed(long sampleSeed, long fallbackValue)
2. generateRandomLongValue()
3. getLong()
4. getLong()
5. getLongInRange(long minValue, long maxValue)
6. getLongSpecial()
7. getLongSpecialCases()
8. getRandomLong()