// Create an array to hold the offspring.
DoubleArrayGenome[] offspring = new DoubleArrayGenome[1];
offspring[0] = new DoubleArrayGenome(5);
// Perform the operation
opp.performOperation(rnd, parents, 0, offspring, 0);
// Display the results
System.out.println("Parent: " + Arrays.toString(parents[0].getData()));
System.out.println("Offspring: " + Arrays.toString(offspring[0].getData()));