Category Archives: Java
Top 100 Core Java Interview Questions and Answers 2025
This list encompasses a wide range of Core Java concepts, from fundamental data types to advanced threading and concurrency, aiming to equip you for success in your next interview. Fundamentals & Data Types 1. What is Java? Answer: Java is a high-level, object-oriented, platform-independent programming language renowned for its versatility and robustness. It’s widely used for…
Top 50 Java Programming Interview Questions 2025
1. What is Java? Answer: Java is a high-level, object-oriented programming language developed by Sun Microsystems. It is platform-independent due to its “write once, run anywhere” capability, achieved through the Java Virtual Machine (JVM). 2. Explain the concept of OOP in Java. Answer: Object-Oriented Programming (OOP) in Java is based on four main principles: Encapsulation, Inheritance, Polymorphism,…