RandomBounds.java Source code

Introduction

Here is the source code for RandomBounds.java

Source

//: c03:RandomBounds.java
// Does Math.random() produce 0.0 and 1.0?
// {RunByHand}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

public class RandomBounds {
    static void usage() {
        System.out.println("Usage: \n\t" + "RandomBounds lower\n\tRandomBounds upper");
        System.exit(1);
    }

    public static void main(String[] args) {
        if (args.length != 1)
            usage();
        if (args[0].equals("lower")) {
            while (Math.random() != 0.0)
                ; // Keep trying
            System.out.println("Produced 0.0!");
        } else if (args[0].equals("upper")) {
            while (Math.random() != 1.0)
                ; // Keep trying
            System.out.println("Produced 1.0!");
        } else
            usage();
    }
} ///:~