/*
 * Copyright (C) 2000-2013 Heinz Max Kabutz
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Heinz Max Kabutz 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.
 */

package eu.javaspecialists.tjsn.examples.issue198;

import java.util.*;

/**
 * Demo class from http://www.javaspecialists.eu/archive/Issue198.html
 *
 * @author Dr Heinz M. Kabutz
 */
public class MathTeaser {
    public static void main(String[] args) {
        final Random random = new Random();
        Thread seeder = new Thread() {
            public void run() {
                while (true) {
                    random.setSeed(51102269); // causes 2^26-1 as next(26)
                    random.setSeed(223209395); // causes 2^27-1 as next(27)
                }
            }
        };
        seeder.setDaemon(true);
        seeder.start();

        while (true) {
            double num = random.nextDouble();
            if ((int) (num + 1) == 2) {
                System.out.println("Yes, random.nextDouble() can: " + num);
                break;
            }
        }
    }
}
