// Selects the offspring population. A new population object is returned.
private Population<G, C> selectOffspring(final Population<G, C> population) {
return _offspringCount > 0
? _offspringSelector.select(population, _offspringCount, _optimize)
: Population.empty();
}
// Selects the survivors population. A new population object is returned.
private Population<G, C> selectSurvivors(final Population<G, C> population) {
return _survivorsCount > 0
? _survivorsSelector.select(population, _survivorsCount, _optimize)
: Population.empty();
}