Cognizant Java MCQ 60+ qns

Java – 60 Multiple Choice Questions

This document provides a set of 60 well-structured MCQs with answers and explanations to test and strengthen Java programming knowledge. It is designed to support students, interview preparation, and quick revision.

Key Highlights:

Covers Core Java fundamentals and syntax.

Includes Object-Oriented Programming (OOP) concepts like inheritance, polymorphism, abstraction, and encapsulation.

Questions on exception handling and error management.

Focus on Collections Framework (List, Set, Map, etc.).

Includes multithreading and concurrency basics.

Each question is followed by the correct answer with explanation for better understanding.

Useful for academic preparation, coding interviews, and competitive exams.