Object Oriented Programming with Java Unit 4 – Java Collections Framework: important questions for AKTU
Unit 4 (Java Collections Framework) questions that AKTU repeats most often. This unit carries about 22 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 4 questions
- Compare and contrast ArrayList and LinkedList in terms of performance and usage. (7 marks, 2025, List Interface Implementations) – also asked in 2024
- Write a program to demonstrate the use of HashMap and iterate through keys and values. (7 marks, 2025, Map Interface Implementations) – also asked in 2024
- Discuss the hierarchy of the Collection framework in Java. Differentiate between List, Set, and Map. (7 marks, 2025, Collection Framework Overview) – also asked in 2024
Most important Unit 4 topic
- List Interface Implementations (Unit 4: Java Collections Framework) – asked 3 times in 2024, 2025
Most asked Unit 4 topics
- List Interface Implementations – asked 3 times
- Collection Framework Overview – asked 2 times
- Map Interface Implementations – asked 2 times
More Unit 4 previous year questions
- How does Stack differ from Queue? (2 marks, 2025, List Interface Implementations)
- Describe Collections framework in Java with a suitable diagram displaying interfaces and classes and their hierarchy. Also explain the List, Set and Queue interfaces. (7 marks, 2024, Collection Framework Overview)
- Describe Linked List in Java collection framework. With suitable example describe any five methods available in Linked Lists. (7 marks, 2024, List Interface Implementations)
- Describe HashMap in Java collection framework. With suitable example describe any five methods available in HashMaps. (7 marks, 2024, Map Interface Implementations)
Unit 4 syllabus topics
- Collection Framework Overview
- List Interface Implementations
- Set Interface Implementations
- Map Interface Implementations
- Sorting and Comparators