UsingCompletionCondition.java

List<MyIndividual> initialPopulation = new Vector<MyIndividual>();

// add the initial individuals to the population
//
// ...
//

EvolutionContext<MyIndividual> context = new GAEvolutionContext<MyIndividual>(initialPopulation);

// set the necessary properties on the EvolutionContext
// 
// ...
//

CompletionCondition<MyIndividual> condition = new MaxGenerationCompletionCondition<MyIndividual>();
condition.setMaxGenerations(10);

try {
  while (!condition.execute(context)) {
    context.stepGeneration();
  }
} catch (CompletionException exception) {
  // handle the exception
} catch (EvolutionException exception) {
  // handle the exception
}