gistfile1.txt

interface Optimizer {
  double optimize();
}

// Many implementations can exist
interface Mutation {}

// Many implementations can exist
interface Selection {}

class GeneticAlgorithm implements Optimizer {
  Mutation mutator;
  Selection selection;
  
  double pc, pm;
  
  public GeneticAlgorithm(double pc, double pm) {
    this.pc = pc;
    this.pm = pm;
  }
  
  public double optimize() {
    // compute stuff
    return 0.0;
  }
}