31 lines
900 B
Java
31 lines
900 B
Java
// control/RandomBounds.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Does Math.random() produce 0.0 and 1.0?
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// {java RandomBounds lower}
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import onjava.*;
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public class RandomBounds {
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public static void main(String[] args) {
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new TimedAbort(3);
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switch(args.length == 0 ? "" : args[0]) {
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case "lower":
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while(Math.random() != 0.0)
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; // Keep trying
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System.out.println("Produced 0.0!");
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break;
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case "upper":
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while(Math.random() != 1.0)
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; // Keep trying
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System.out.println("Produced 1.0!");
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break;
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default:
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System.out.println("Usage:");
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System.out.println("\tRandomBounds lower");
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System.out.println("\tRandomBounds upper");
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System.exit(1);
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}
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}
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}
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