Java Random Int getRandomInt(int max)

Description

Generates next random Int

License

Apache License

Parameter

Parameter	Description

Return

the generated int

Declaration

public static int getRandomInt(int max) 

Method Source Code

//package com.java2s;
/*//ww  w  .ja va  2s .  c o m
 * Copyright 2004 Senunkan Shinryuu
 *
 * 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
 *
 * 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.*;

public class Main {
    /**
     * Generates next random Int
     * @param int max int
     * @return the generated int
     */
    public static int getRandomInt(int max) {
        Random rand = new Random(System.nanoTime()); // for jdk 6 only
        //Random rand = new Random(System.currentTimeMillis());
        if (max > 0) {
            return rand.nextInt(max);
        }
        return rand.nextInt();
    }

    /**
     * Generates next random Int
    lo    * @return the generated int
     */
    public static int getRandomInt() {
        return getRandomInt(-1);
    }
}

Related

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