Java Programming - MCQ Practice Questions
Practice free Java Programming multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.
958 questions | 100% Free
Q.21Hard
Consider this code: List<String> list = new CopyOnWriteArrayList<>(); list.add("A"); list.add("B"); Iterator<String> itr = list.iterator(); list.add("C"); System.out.println(itr.next());
Q.22Hard
In Java 2024, if you need a collection that automatically removes entries based on garbage collection patterns, which would you choose?