Java Source Codes

Math.random() in Java

public class RandomDemo {

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();
}
}

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