Java Interview Questions For Experienced 1.Why main() in java is declared as public static void main? What if the main method is declared as private? ANSWER: Public :- main method is called by JVM to run the method which is outside the scope of project therefore the access specifier has to be public to permit […]
Java Interview Questions For Freshers 1.What is the difference between an Interface and an Abstract class? ANSWER: Abstract class can have instance methods that implement a default behavior. An Interface can only declare constants and instance methods, but cannot implement default behavior and all methods are implicitly abstract. An interface has all public members and […]
JavaScript Interview Question and Answers 1. What is JavaScript? ANS: JavaScript is a general-purpose programming language designed to let programmers of all skill levels control the behavior of software objects. The language is used most widely today in Web browsers whose software objects tend to represent a variety of HTML elements in a document and […]
Java Interview Questions and Answers 1. What gives java it’s “write once and run anywhere” nature? ANS: All Java programs are compiled into class files that contain byte codes. These byte codes can be run in any platform and hence java is said to be platform independent. 2. Explain working of Java Virtual Machine (JVM)? […]
Java Static Interview Questions and Answers 1. When to use static operations? ANS: Static context is necessary is during program start-up because the Java entry point method is static. This means that variables and methods required during start-up may need to be static too, but the principle should be to create a primary core object […]
Java Interview Tips to Remember 1) Describe oops? A) OOPS stands for object oriented programming language. In this type of language the programming is base on object. Some of its features are Inheritance, Encapsulation, Polymorphism, Abstraction etc. 2) Describe the concept of Inheritance. A) It is the concept by which the objects of any particular […]