Top 50+ Core Java Interview Questions And Answers
Top 50 Java Interview questions for all java developers 1. What is Java? Java is a high-level, object-oriented programming language developed by Sun Microsystems (now owned by Oracle). It is widely used to develop desktop, web, and mobile applications. 2. What are the different types of memory areas allocated by the JVM? The different types of memory areas allocated by the JVM are: Heap memory Stack memory Method area Native method stacks Program counter register 3. What is a class in Java? A class in Java is a blueprint or a template that describes the behavior and properties of objects of that class. It defines the data and the methods that the objects of the class will have. 4. What is an object in Java? An object in Java is an instance of a class. It is created from the class blueprint and has its own set of properties and behaviors. 5. What is the difference between a class and an object in Java? A class is a blueprint or a template that defines the properties and behavior of obje...