Java Random Int randomInteger(final int upperRange)

Description

Returns a random Integer within the range 0 to upperRange

License

Apache License

Parameter

Parameter	Description
upperRange	The limit of the upperRange - the random returned value could be upto and including this value

Return

The random integer - from within the range 0 to upperRange

Declaration

public static Integer randomInteger(final int upperRange) 

Method Source Code

//package com.java2s;
/*/*  w  w w . j  a va 2s. c  om*/
 * Copyright 2010-2014 Ning, Inc.
 * Copyright 2014-2015 The Billing Project, LLC
 *
 * The Billing Project 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.
 */

public class Main {
    /**
     * Returns a random {@link Integer} within the range 0 to upperRange
     *
     * @param upperRange The limit of the upperRange - the random returned value could be upto and including this value
     * @return The random integer - from within the range 0 to upperRange
     */
    public static Integer randomInteger(final int upperRange) {
        return (int) (Math.random() * upperRange);
    }
}

Related

1. randomInt(int low, int high)
2. randomInt(int min, int max)
3. randomInt(int mn, int mx)
4. randomInt(int n)
5. RandomInteger()
6. randomInteger(int low, int high)
7. randomInteger(int min, int max)
8. randomIntFromInterval(int min, int max)
9. randomIntFromRange(int min, int max)