org.cojen.dirmi.util

Class Random

java.lang.Object

org.cojen.dirmi.util.Random

public class Random
extends Object

Collection of thread-safe methods for generating random numbers. The implementation relies on thread-local pseudorandom number generators, each seeded by a secure random number generator. Mersenne twister is used for pseudorandom numbers and SecureRandom for seeding.

Author:

Brian S O'Neill

Constructor Summary

Constructors

Constructor and Description
Random()

Method Summary

Modifier and Type	Method and Description
static boolean	randomBoolean()
static void	randomBytes(byte[] bytes)
static double	randomDouble()
static float	randomFloat()
static int	randomInt()
static int	randomInt(int n)
static long	randomLong()
static long	randomLong(long n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Random

public Random()

Method Detail

randomInt

public static final int randomInt()

randomInt

public static final int randomInt(int n)

Parameters:

n - upper bound, exclusive

randomLong

public static final long randomLong()

randomLong

public static final long randomLong(long n)

Parameters:

n - upper bound, exclusive

randomBoolean

public static final boolean randomBoolean()

randomFloat

public static final float randomFloat()

randomDouble

public static final double randomDouble()

randomBytes

public static final void randomBytes(byte[] bytes)