Package nl.tudelft.simulation.jstats.streams

Class Java2Random

java.lang.Object

java.util.Random

nl.tudelft.simulation.jstats.streams.Java2Random

All Implemented Interfaces:

Serializable, RandomGenerator, StreamInterface

public class Java2Random
extends Random
implements StreamInterface

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

Copyright (c) 2002-2025 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information DSOL Manual. The DSOL project is distributed under a three-clause BSD-style license, which can be found at DSOL License.

Author:

Alexander Verbraeck, Peter Jacobs

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.random.RandomGenerator

RandomGenerator.ArbitrarilyJumpableGenerator, RandomGenerator.JumpableGenerator, RandomGenerator.LeapableGenerator, RandomGenerator.SplittableGenerator, RandomGenerator.StreamableGenerator

Constructor Summary

Constructors

Constructor	Description
Java2Random()	Create a new Java2Random and initializes with System.currentTimeMillis.
Java2Random(long seed)	Create a new Java2Random and initialize with a given seed.

Method Summary

Modifier and Type	Method	Description
long	getOriginalSeed()	Return the original seed of the generator with which it has been first initialized.
long	getSeed()	Return the seed of the generator.
int	nextInt(int i, int j)	Return pseudo-random number from the stream between the integers i (inclusive) and j (inclusive).
void	reset()	Reset the stream to use the original seed with which it was initialized.
void	setSeed(long seed)	Set the seed of the generator.

Methods inherited from class java.util.Random

doubles, doubles, doubles, doubles, ints, ints, ints, ints, longs, longs, longs, longs, 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 java.util.random.RandomGenerator

isDeprecated, nextDouble, nextDouble, nextExponential, nextFloat, nextFloat, nextGaussian, nextLong, nextLong

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

nextBoolean, nextDouble, nextFloat, nextInt, nextLong

Constructor Details

Java2Random

public Java2Random()

Create a new Java2Random and initializes with System.currentTimeMillis.

Java2Random

public Java2Random(long seed)

Create a new Java2Random and initialize with a given seed.

Parameters:

seed - the seed to use.

Method Details

reset

public void reset()

Description copied from interface: StreamInterface

Reset the stream to use the original seed with which it was initialized.

Specified by:

reset in interface StreamInterface

getOriginalSeed

public long getOriginalSeed()

Description copied from interface: StreamInterface

Return the original seed of the generator with which it has been first initialized.

Specified by:

getOriginalSeed in interface StreamInterface

Returns:

the original seed of the generator when it was first initialized

nextInt

public int nextInt(int i,
 int j)

Description copied from interface: StreamInterface

Return pseudo-random number from the stream between the integers i (inclusive) and j (inclusive).

Specified by:

nextInt in interface RandomGenerator

Specified by:

nextInt in interface StreamInterface

Parameters:

i - the minimal value

j - the maximum value

Returns:

a value between i and j

setSeed

public void setSeed(long seed)

Description copied from interface: StreamInterface

Set the seed of the generator.

Specified by:

setSeed in interface StreamInterface

Overrides:

setSeed in class Random

Parameters:

seed - the new seed

getSeed

public long getSeed()

Description copied from interface: StreamInterface

Return the seed of the generator.

Specified by:

getSeed in interface StreamInterface

Returns:

the seed