code: public BitSet toBitSet() {
  		final BitSet set = new BitSet(length());
  		for (int i = 0, n = length(); i < n; ++i) {
  			set.set(i, getGene(i).getBit());
  		}
  		return set;
  	}
docs: Return the corresponding BitSet of this BitChromosome.
  
  @return The corresponding BitSet of this BitChromosome.