/**
 *  RandomNumbers.java       Author: Lewis/Loftus
 *
 *  Demonstrates the creation of pseudo-random numbers using the
 *  Random class.
 */

import java.util.Random;

public class RandomNumbers
{
    //-----------------------------------------------------------------
    //  Generates random numbers in various ranges.
    //-----------------------------------------------------------------
    public static void main(String[] args)
    {
        Random generator = new Random();
        int num1;
        float num2;

        num1 = generator.nextInt();
        System.out.println("A random integer: " + num1);

        num1 = generator.nextInt(10);
        System.out.println("From 0 to 9: " + num1);

        num1 = generator.nextInt(10) + 1;
        System.out.println("From 1 to 10: " + num1);

        num1 = generator.nextInt(15) + 20;
        System.out.println("From 20 to 34: " + num1);

        num1 = generator.nextInt(20) - 10;
        System.out.println("From -10 to 9: " + num1);

        num2 = generator.nextFloat();
        System.out.println("A random float (between [0,1]): " + num2);

        num2 = generator.nextFloat() * 6;  // 0.0 to 5.999999
        num1 = (int)num2 + 1;
        System.out.println("A random int (between [0, 6]): " + num1);

        boolean b;
        b = generator.nextBoolean();
        System.out.println("A random boolean: " + b);
    }
}