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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?