Java Random Int getRandomInt(int max)

Description

get Random Int

License

Apache License

Declaration

public static int getRandomInt(int max) 

Method Source Code

//package com.java2s;
/* Licensed 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
 * /*from   ww w.  j  a va  2  s.c  o  m*/
 *      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 {
    /** main random number generator */
    private volatile static ThreadLocal<Random> randomGenerator = new ThreadLocal<Random>();

    public static int getRandomInt(int max) {
        if (randomGenerator.get() == null) {
            randomGenerator.set(new Random());
        }
        return randomGenerator.get().nextInt(max);
    }
}

Related

1. getRandomInt(final int min, final int max, final Random random)
2. getRandomInt(int bound)
3. getRandomInt(int intStart, int intEnd)
4. getRandomInt(int lower, int upper)
5. getRandomInt(int lower, int upper)
6. getRandomInt(int max)
7. getRandomInt(int max)
8. getRandomInt(int min, int max)
9. getRandomInt(int min, int max)