org.apache.commons.math.random
Interfaces 
EmpiricalDistribution
NormalizedRandomGenerator
RandomData
RandomGenerator
RandomVectorGenerator
Classes 
AbstractRandomGenerator
CorrelatedRandomVectorGenerator
EmpiricalDistributionImpl
GaussianRandomGenerator
JDKRandomGenerator
RandomAdaptor
RandomDataImpl
UncorrelatedRandomVectorGenerator
UniformRandomGenerator
ValueServer
Exceptions 
NotPositiveDefiniteMatrixException