Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

Are arrays primitive data types?

1266

What is a local, member and a class variable?

1098

What is externalizable?

1129

What happens to a static var that is defined within a method of a class?

1097

What modifiers are allowed for methods in an interface?

1229

Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1234

Which non-unicode letter characters may be used as the first character of an identifier?

1061

Why does java not support operator overloading?

1196

I want to print “hello” even before main is executed. How will you acheive that?

1165

What is an abstract class and what is it’s purpose?

1025

Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?

1708

Can an interface be final?

1094

What is use of a abstract variable?

1059

Can a class be declared as static?

1228

What is the difference between an if statement and a switch statement?

1226

Un-Answered Questions { Java Related }

List some oops concepts in java?

1096

Can we declare array without size in java?

1092

What is an SQL Locator?

1212

What are different type of exceptions in java?

1031

What is the use of application context in spring?

456

what sync function does in websphere?

955

Can we have multiple struts config files ?

1021

What is hibernate dtd?

391

Is java hard to learn?

976

What are the different types of sorting in java?

1036

When do we go for java 8 stream api? Why do we need to use java 8 stream api in our projects?

1032

Why we are using jpa annotation instead of hibernate?

458

What are memory tables?

1158

What is meaning of cascade in hibernate?

418

How to implement RMI in Java?

2940

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