nl.tudelft.simulation.jstats.streams

Class Java2Random

java.lang.Object

java.util.Random

nl.tudelft.simulation.jstats.streams.Java2Random

All Implemented Interfaces:

Serializable, StreamInterface

public class Java2Random
extends Random
implements StreamInterface

The Java2Random is an extention of the java.util.Random class which implements the StreamInterface.

(c) copyright 2004 Delft University of Technology , the Netherlands.
See for project information www.simulation.tudelft.nl
License of use: Lesser General Public License (LGPL) , no warranty.

Since:

1.0

Version:

$Revision: 1.1 $ $Date: 2007/01/06 13:25:41 $

Author:

Peter Jacobs

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	seed seed is a link to the seed value.

Constructor Summary

Constructors

Constructor and Description
Java2Random() creates a new Java2Random and in initializes with System.currentTimeMillis constructs a new Java2Random
Java2Random(long seed)

Method Summary

Methods

Modifier and Type	Method and Description
long	getSeed() returns the seed of the generator
int	nextInt(int i, int j) Method returns (pseudo)random number from the stream over the integers i and j .
void	reset() resets a stream
void	setSeed(long seed) sets the seed of the generator

Methods inherited from class java.util.Random

next, nextBoolean, nextBytes, nextDouble, nextFloat, nextGaussian, nextInt, nextInt, nextLong

Methods inherited from class java.lang.Object

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

Methods inherited from interface nl.tudelft.simulation.jstats.streams.StreamInterface

nextBoolean, nextDouble, nextFloat, nextInt, nextLong

Field Detail

seed

protected long seed

seed is a link to the seed value. The reason to store the seed in this variable is that there is no getSeed() on the Java2Random

Constructor Detail

Java2Random

public Java2Random()

creates a new Java2Random and in initializes with System.currentTimeMillis constructs a new Java2Random

Java2Random

public Java2Random(long seed)

See Also:

Random.Random(long)

Method Detail

reset

public void reset()

resets a stream

Specified by:

reset in interface StreamInterface

See Also:

StreamInterface.reset()

nextInt

public int nextInt(int i,
          int j)

Description copied from interface: StreamInterface

Method returns (pseudo)random number from the stream over the integers i and j .

Specified by:

nextInt in interface StreamInterface

Parameters:

i - the minimal value

j - the maximum value

Returns:

int

See Also:

StreamInterface.nextInt(int, int)

setSeed

public void setSeed(long seed)

Description copied from interface: StreamInterface

sets the seed of the generator

Specified by:

setSeed in interface StreamInterface

Overrides:

setSeed in class Random

Parameters:

seed - the new seed

See Also:

Random.setSeed(long)

getSeed

public long getSeed()

Description copied from interface: StreamInterface

returns the seed of the generator

Specified by:

getSeed in interface StreamInterface

Returns:

long the seed

See Also:

StreamInterface.getSeed()