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Object Oriented Programming with Java Unit 3 – Java New Features: important questions for AKTU

Unit 3 (Java New Features) questions that AKTU repeats most often. This unit carries about 24 marks per paper. Start with the repeated questions, then the most asked topics.

Most repeated Unit 3 questions

  • What is the Stream API in Java? How does it help in functional-style operations? (7 marks, 2025, Stream API) – also asked in 2024
  • What are functional interfaces and how are they implemented using lambda expressions? (7 marks, 2025, Functional Interfaces and Lambda) – also asked in 2024
  • What is a functional interface? Give an example. (2 marks, 2025, Functional Interfaces and Lambda) – also asked in 2024

Most important Unit 3 topic

  • Functional Interfaces and Lambda (Unit 3: Java New Features) – asked 3 times in 2024, 2025

Most asked Unit 3 topics

  • Functional Interfaces and Lambda – asked 3 times
  • Stream API – asked 3 times
  • Modern Java Syntax Features – asked 2 times

More Unit 3 previous year questions

  • Describe the role of annotations in Java and how type annotations are used. (7 marks, 2025, Annotations and Modules)
  • Write a Java program to create an ArrayList<String> with five items and display all the elements using forEach method. (2 marks, 2024, Stream API)
  • Explain the concept of Sealed classes in Java with suitable example. (2 marks, 2024, Modern Java Syntax Features)
  • Explain the functional interfaces in Java. Describe lambda expressions with the help of functional interfaces. (7 marks, 2024, Functional Interfaces and Lambda)
  • Explain Java stream API and its applications. Describe Intermediate and terminal operations with suitable example. Write a program to print sum of all even numbers from an ArrayList<Integer> containing all integers from 1 to 10. (7 marks, 2024, Stream API)

Unit 3 syllabus topics

  • Functional Interfaces and Lambda
  • Stream API
  • Annotations and Modules
  • Modern Java Syntax Features
  • Miscellaneous Java Features