org.primordion.xholon.util

Class MiscRandom

java.lang.Object

org.primordion.xholon.util.MiscRandom

public class MiscRandom
extends java.lang.Object

This provides general support for random numbers.

Since:

0.1 (Created on Jul 7, 2005)

See Also:

Xholon Project website

Constructor Summary

Constructors

Constructor and Description
MiscRandom()

Method Summary

Methods

Modifier and Type	Method and Description
static java.util.Random	getRandom() Get the singleton instance of Random used by this application.
static double	getRandomDouble(double minVal, double maxVal) Get random double >= minVal and <= maxVal.
static int	getRandomInt(int minVal, int maxVal) Get random integer >= minVal and < maxVal.
static long	seedRandomNumberGenerator() Seed the random number generator with the current data and time.
static long	seedRandomNumberGenerator(long seed) Seed the random number generator with a known value.

Methods inherited from class java.lang.Object

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

Constructor Detail

MiscRandom

public MiscRandom()

Method Detail

getRandom

public static java.util.Random getRandom()

Get the singleton instance of Random used by this application.

Returns:

A singleton instance of Random.

getRandomInt

public static int getRandomInt(int minVal,
               int maxVal)

Get random integer >= minVal and < maxVal.

Parameters:

minVal - The result will be >= this value.

maxVal - The result will be < this value.

Returns:

A pseudo-random integer.

getRandomDouble

public static double getRandomDouble(double minVal,
                     double maxVal)

Get random double >= minVal and <= maxVal. TODO confirm that this works correctly

Parameters:

minVal - The result will be >= this value.

maxVal - The result will be <= this value.

Returns:

A pseudo-random double.

seedRandomNumberGenerator

public static long seedRandomNumberGenerator()

Seed the random number generator with the current data and time.

seedRandomNumberGenerator

public static long seedRandomNumberGenerator(long seed)

Seed the random number generator with a known value.