RandomAdaptor (Apache Commons Math 3.6.1 API)

java.lang.Object
- java.util.Random
- - org.apache.commons.math3.random.RandomAdaptor

All Implemented Interfaces:

Serializable, RandomGenerator
```
public class RandomAdaptor
extends Random
implements RandomGenerator
```
Extension of java.util.Random wrapping a RandomGenerator.

Since:

1.1

See Also:
Serialized Form

Constructor Summary

Constructors
Constructor and Description

RandomAdaptor(RandomGenerator randomGenerator)
Construct a RandomAdaptor wrapping the supplied RandomGenerator.

Constructors
Constructor and Description
`RandomAdaptor(RandomGenerator randomGenerator)` Construct a RandomAdaptor wrapping the supplied RandomGenerator.

Method Summary

Methods
Modifier and Type	Method and Description
`static Random`	`createAdaptor(RandomGenerator randomGenerator)` Factory method to create a `Random` using the supplied `RandomGenerator`.
`boolean`	`nextBoolean()` Returns the next pseudorandom, uniformly distributed `boolean` value from this random number generator's sequence.
`void`	`nextBytes(byte[] bytes)` Generates random bytes and places them into a user-supplied byte array.
`double`	`nextDouble()` Returns the next pseudorandom, uniformly distributed `double` value between `0.0` and `1.0` from this random number generator's sequence.
`float`	`nextFloat()` Returns the next pseudorandom, uniformly distributed `float` value between `0.0` and `1.0` from this random number generator's sequence.
`double`	`nextGaussian()` Returns the next pseudorandom, Gaussian ("normally") distributed `double` value with mean `0.0` and standard deviation `1.0` from this random number generator's sequence.
`int`	`nextInt()` Returns the next pseudorandom, uniformly distributed `int` value from this random number generator's sequence.
`int`	`nextInt(int n)` Returns a pseudorandom, uniformly distributed `int` value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.
`long`	`nextLong()` Returns the next pseudorandom, uniformly distributed `long` value from this random number generator's sequence.
`void`	`setSeed(int seed)` Sets the seed of the underlying random number generator using an `int` seed.
`void`	`setSeed(int[] seed)` Sets the seed of the underlying random number generator using an `int` array seed.
`void`	`setSeed(long seed)` Sets the seed of the underlying random number generator using a `long` seed.

Methods inherited from class java.util.Random
next

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RandomAdaptor
```
public RandomAdaptor(RandomGenerator randomGenerator)
```
    Construct a RandomAdaptor wrapping the supplied RandomGenerator.
    
    Parameters:
    randomGenerator - the wrapped generator
- Method Detail
  - createAdaptor
```
public static Random createAdaptor(RandomGenerator randomGenerator)
```
    Factory method to create a Random using the supplied RandomGenerator.
    
    Parameters:
    randomGenerator - wrapped RandomGenerator instance
    
    Returns:
    a Random instance wrapping the RandomGenerator
  - nextBoolean
```
public boolean nextBoolean()
```
    Returns the next pseudorandom, uniformly distributed boolean value from this random number generator's sequence.
    
    Specified by:
    
    nextBoolean in interface RandomGenerator
    
    Overrides:
    
    nextBoolean in class Random
    
    Returns:
    the next pseudorandom, uniformly distributed boolean value from this random number generator's sequence
  - nextBytes
```
public void nextBytes(byte[] bytes)
```
    Generates random bytes and places them into a user-supplied byte array. The number of random bytes produced is equal to the length of the byte array.
    
    Specified by:
    
    nextBytes in interface RandomGenerator
    
    Overrides:
    
    nextBytes in class Random
    
    Parameters:
    bytes - the non-null byte array in which to put the random bytes
  - nextDouble
```
public double nextDouble()
```
    Returns the next pseudorandom, uniformly distributed double value between 0.0 and 1.0 from this random number generator's sequence.
    
    Specified by:
    
    nextDouble in interface RandomGenerator
    
    Overrides:
    
    nextDouble in class Random
    
    Returns:
    the next pseudorandom, uniformly distributed double value between 0.0 and 1.0 from this random number generator's sequence
  - nextFloat
```
public float nextFloat()
```
    Returns the next pseudorandom, uniformly distributed float value between 0.0 and 1.0 from this random number generator's sequence.
    
    Specified by:
    
    nextFloat in interface RandomGenerator
    
    Overrides:
    
    nextFloat in class Random
    
    Returns:
    the next pseudorandom, uniformly distributed float value between 0.0 and 1.0 from this random number generator's sequence
  - nextGaussian
```
public double nextGaussian()
```
    Returns the next pseudorandom, Gaussian ("normally") distributed double value with mean 0.0 and standard deviation 1.0 from this random number generator's sequence.
    
    Specified by:
    
    nextGaussian in interface RandomGenerator
    
    Overrides:
    
    nextGaussian in class Random
    
    Returns:
    the next pseudorandom, Gaussian ("normally") distributed double value with mean 0.0 and standard deviation 1.0 from this random number generator's sequence
  - nextInt
```
public int nextInt()
```
    Returns the next pseudorandom, uniformly distributed int value from this random number generator's sequence. All 2³² possible int values should be produced with (approximately) equal probability.
    
    Specified by:
    
    nextInt in interface RandomGenerator
    
    Overrides:
    
    nextInt in class Random
    
    Returns:
    the next pseudorandom, uniformly distributed int value from this random number generator's sequence
  - nextInt
```
public int nextInt(int n)
```
    Returns a pseudorandom, uniformly distributed int value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.
    
    Specified by:
    
    nextInt in interface RandomGenerator
    
    Overrides:
    
    nextInt in class Random
    
    Parameters:
    n - the bound on the random number to be returned. Must be positive.
    
    Returns:
    a pseudorandom, uniformly distributed int value between 0 (inclusive) and n (exclusive).
    
    Throws:
    
    IllegalArgumentException - if n is not positive.
  - nextLong
```
public long nextLong()
```
    Returns the next pseudorandom, uniformly distributed long value from this random number generator's sequence. All 2⁶⁴ possible long values should be produced with (approximately) equal probability.
    
    Specified by:
    
    nextLong in interface RandomGenerator
    
    Overrides:
    
    nextLong in class Random
    
    Returns:
    the next pseudorandom, uniformly distributed long value from this random number generator's sequence
  - setSeed
```
public void setSeed(int seed)
```
    Sets the seed of the underlying random number generator using an int seed.
    Sequences of values generated starting with the same seeds should be identical.
    
    Specified by:
    
    setSeed in interface RandomGenerator
    
    Parameters:
    seed - the seed value
  - setSeed
```
public void setSeed(int[] seed)
```
    Sets the seed of the underlying random number generator using an int array seed.
    Sequences of values generated starting with the same seeds should be identical.
    
    Specified by:
    
    setSeed in interface RandomGenerator
    
    Parameters:
    seed - the seed value
  - setSeed
```
public void setSeed(long seed)
```
    Sets the seed of the underlying random number generator using a long seed.
    Sequences of values generated starting with the same seeds should be identical.
    
    Specified by:
    
    setSeed in interface RandomGenerator
    
    Overrides:
    
    setSeed in class Random
    
    Parameters:
    seed - the seed value

Class RandomAdaptor

Constructor Summary

Method Summary

Methods inherited from class java.util.Random

Methods inherited from class java.lang.Object

Constructor Detail

RandomAdaptor

Method Detail

createAdaptor

nextBoolean

nextBytes

nextDouble

nextFloat

nextGaussian

nextInt

nextInt

nextLong

setSeed

setSeed

setSeed