Java Random Int randomInt(final int max)

Description

Returns a random int value between 0 and (max - 1).

License

Open Source License

Parameter

Parameter	Description
max	the upper limit for the random number

Return

random number

Declaration

public static int randomInt(final int max) 

Method Source Code

//package com.java2s;
/*/*from   w ww. j  a v a2 s.c o  m*/
 * Copyright (C) 2012 - 2014 by Stefan Rothe
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Returns a random <tt>int</tt> value between <tt>0</tt> and <tt>(max - 1)</tt>.
     *
     * @param max the upper limit for the random number
     * @return random number
     *
     * @since 1.0
     */
    public static int randomInt(final int max) {
        return (int) (Math.random() * max);
    }
}

Related

1. randomFloatInInterval(float lower, float upper)
2. randomHex(int length)
3. randomHexOfInt(int min, int max)
4. randomInIntervall(float low, float high)
5. randomInt(double arg)
6. randomInt(final int min, final int max)
7. randomInt(final int upToNotInclusive)
8. randomInt(int ceil)
9. randomInt(int fromInclusive, int toExclusive)