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Top 100 java interview questions11/27/2023 ![]() It is often used to represent constants or values that should not be modified during the execution of the program. It can be called without creating an object of the class and is commonly used for utility methods that perform generic actions not specific to any particular object.Īnswer: A final class is a class that cannot be subclassed by other classes.Īnswer: In Java, a final variable is a variable whose value cannot be changed once it has been initialized. What is the difference between a private and a protected method in Java?Īnswer: A private method can only be accessed within the same class, while a protected method can be accessed by subclasses or classes within the same package.Īnswer: Inheritance is a mechanism in Java that allows a class to inherit properties and methods from a parent class.Īnswer: An abstract class is a class that cannot be instantiated and is designed to be subclassed by other classes.Īnswer: A static method is a method in Java that is associated with a class rather than an instance of the class.What is the purpose of the main() method in Java?Īnswer: The main() method is the entry point for a Java program, and it is used to start the execution of the program.Īnswer: A package is a collection of related classes and interfaces that are used to organize code and provide better encapsulation.How do you differentiate between a class and an object in Java?Īnswer: A class is a template or blueprint for creating objects, while an object is an instance of a class.Īnswer: A constructor is a special method in a class that is used to initialize objects when they are created.Java Interview Questions for Freshers – Writing the Source Code Whether you are a beginner or an experienced Java developer, this list is sure to provide you with valuable insights and tips for your interview. ![]() In this comprehensive list, you will find questions and answers on various Java concepts, including object-oriented programming (OOPS), data types, collections, exception handling, threading, debugging, testing, packaging, and deployment. Have an upcoming Java programming interview? Want to brush up your Java skills to wow your interviewer? Look no further! We have compiled a list of 100 Java interview questions and answers to help you prepare.
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