#372 Ambiguous HashSet Size

Companies:
BellIntegrator
Themes:
JavaCollections & GenericsCode Review

What number does this method return?

public static int prepareCollection() {
    Set<A> set = new HashSet<>();

    set.add(new A());
    set.add(new B());
    set.add(new B());

    return set.size();
}

Question review

Mentor
Answer as you would in a real interview. I’ll ask follow-up questions, then compare your answer with the reference answer and show your accuracy as a %.
Sign in to start the dialogue The mentor keeps the context of the current question and your previous messages.
Sign in