OOP JAVA Unit 4 Notes AKTU (BCS403)

AKTU · BTECH · Semester 4 · Object Oriented Programming with Java · Unit 4 · Notes

AKTU Object Oriented Programming with Java (BCS403) Unit 4 notes for B.Tech Semester 4 – Java Collections Framework. Topics: Collection Framework Overview…

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Unit 4: Java Collections Framework – AKTU syllabus topics

  • Collection Framework Overview: Hierarchy Iterator Collection Interface
  • List Interface Implementations: ArrayList LinkedList Vector Stack, Queue Interface
  • Set Interface Implementations: HashSet LinkedHashSet TreeSet
  • Map Interface Implementations: HashMap LinkedHashMap TreeMap Hashtable
  • Sorting and Comparators: Comparable and Comparator Interface, Properties Class in Java

Most asked AKTU PYQ questions from Unit 4

  1. Q2d. Compare and contrast ArrayList and LinkedList in terms of performance and usage. (7 marks, 2024-25)
  2. Q6a. Write a program to demonstrate the use of HashMap and iterate through keys and values. (7 marks, 2024-25)
  3. Q6b. Discuss the hierarchy of the Collection framework in Java. Differentiate between List, Set, and Map. (7 marks, 2024-25)
  4. Q2d. 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, 2023-24)
  5. Q6a. Describe Linked List in Java collection framework. With suitable example describe any five methods available in Linked Lists. (7 marks, 2023-24)
  6. Q6b. Describe HashMap in Java collection framework. With suitable example describe any five methods available in HashMaps. (7 marks, 2023-24)
  7. Q1f. How does Stack differ from Queue? (2 marks, 2024-25)

AKTU paper codes: BCS403

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