Chromosome.java

public interface Chromosome extends Comparable {

    Chromosome crossover(Chromosome chromosome);

    Chromosome mutate(Chromosome chromosome);

    double getFitnessValue();

    boolean isValid();

    String toString();

    @Override
    default int compareTo(Object o) {
        Chromosome chromosome = (Chromosome) o;
        return Double.valueOf(this.getFitnessValue()).compareTo(chromosome.getFitnessValue());
    }
}