@Override
public void add(int index, Outcrosser element) {
if (index < males.size()) {
if (element.isFemale())
throw new IllegalArgumentException(
"Element in index " + index + " is a male, cannot be replaced by a female");
males.add(index, element);
} else {
if (!element.isFemale())
throw new IllegalArgumentException(
"Element in index " + index + " is a female, cannot be replaced by a male");
females.add(index - males.size(), element);
}
}
@Override
public boolean add(Outcrosser e) {
if (e.isFemale()) return females.add(e);
else return males.add(e);
}