public interface RandomGenerator
java.util.Random.  This interface is
 implemented by AbstractRandomGenerator.| Modifier and Type | Method and Description | 
|---|---|
| boolean | nextBoolean()Returns the next pseudorandom, uniformly distributed
  booleanvalue 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
  doublevalue between0.0and1.0from this random number generator's sequence. | 
| float | nextFloat()Returns the next pseudorandom, uniformly distributed  floatvalue between0.0and1.0from this random
 number generator's sequence. | 
| double | nextGaussian()Returns the next pseudorandom, Gaussian ("normally") distributed
  doublevalue with mean0.0and standard
 deviation1.0from this random number generator's sequence. | 
| int | nextInt()Returns the next pseudorandom, uniformly distributed  intvalue from this random number generator's sequence. | 
| int | nextInt(int n)Returns a pseudorandom, uniformly distributed  intvalue
 between 0 (inclusive) and the specified value (exclusive), drawn from
 this random number generator's sequence. | 
| long | nextLong()Returns the next pseudorandom, uniformly distributed  longvalue from this random number generator's sequence. | 
| void | setSeed(int seed)Sets the seed of the underlying random number generator using an
  intseed. | 
| void | setSeed(int[] seed)Sets the seed of the underlying random number generator using an
  intarray seed. | 
| void | setSeed(long seed)Sets the seed of the underlying random number generator using a
  longseed. | 
void setSeed(int seed)
int seed.
 Sequences of values generated starting with the same seeds should be identical.
seed - the seed valuevoid setSeed(int[] seed)
int array seed.
 Sequences of values generated starting with the same seeds should be identical.
seed - the seed valuevoid setSeed(long seed)
long seed.
 Sequences of values generated starting with the same seeds should be identical.
seed - the seed valuevoid nextBytes(byte[] bytes)
bytes - the non-null byte array in which to put the
 random bytesint nextInt()
int
 value from this random number generator's sequence.
 All 232 possible int values
 should be produced with  (approximately) equal probability.int
  value from this random number generator's sequenceint nextInt(int n)
int value
 between 0 (inclusive) and the specified value (exclusive), drawn from
 this random number generator's sequence.n - the bound on the random number to be returned.  Must be
 positive.int
 value between 0 (inclusive) and n (exclusive).IllegalArgumentException - if n is not positive.long nextLong()
long
 value from this random number generator's sequence.  All
 264 possible long values
 should be produced with (approximately) equal probability.long
value from this random number generator's sequenceboolean nextBoolean()
boolean value from this random number generator's
 sequence.boolean value from this random number generator's
 sequencefloat nextFloat()
float
 value between 0.0 and 1.0 from this random
 number generator's sequence.float
 value between 0.0 and 1.0 from this
 random number generator's sequencedouble nextDouble()
double value between 0.0 and
 1.0 from this random number generator's sequence.double value between 0.0 and
  1.0 from this random number generator's sequencedouble nextGaussian()
double value with mean 0.0 and standard
 deviation 1.0 from this random number generator's sequence.double value with mean 0.0 and
 standard deviation 1.0 from this random number
  generator's sequenceCopyright © 2003–2016 The Apache Software Foundation. All rights reserved.