/****************************************************************************** * Compilation: javac RandomDemo.java * Execution: java RandomDemo * * % java RandomDemo * false * -1571432423 * 51 * 0.44762832574617084 * -0.11571220872310763 * * % java RandomDemo * false * -215643072 * 15 * 0.7456763003263982 * 0.3196249757515685 * ******************************************************************************/ import java.util.Random; public class RandomDemo { public static void main(String[] args) { // Random random = new Random(1234567L); Random random = new Random(); boolean a = random.nextBoolean(); // true or false int b = random.nextInt(); // between -2^31 and 2^31 - 1 int c = random.nextInt(100); // between 0 and 99 double d = random.nextDouble(); // between 0.0 and 1.0 double e = random.nextGaussian(); // gaussian with mean 0 and stddev = 1 StdOut.println(a); StdOut.println(b); StdOut.println(c); StdOut.println(d); StdOut.println(e); } }