Generates a pseudo-random boolean. - Java java.util

Java examples for java.util:Random

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Description

Generates a pseudo-random boolean.

Demo Code

/*/*w  w w  . ja va 2  s  . c  o m*/
 * Copyright 2004 Karol Bucek
 * 
 * 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.Random;

public class Main{
    private static final MersenneTwister shared;
    /**
     * Generates a pseudo-random boolean.
     * @return random boolean
     */
    public static synchronized boolean randomBoolean() {
        return shared.nextBoolean();
    }
    /**
     * Generates a pseudo-random boolean (generates a coin flip with a
     * probability of returning true). The result is true with the provided
     * probability.
     * @param probab
     * @return random boolean
     */
    public static synchronized boolean randomBoolean(final float probab) {
        return shared.nextBoolean(probab);
    }
}

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