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

Core Java Interview Questions

Questions Answers Views Company eMail

What does this() represent, and how is it used in Java?

2 660

What does super()represent, and how is it used in Java?

2 697

What is a Java switch statement, and how can it be used?

2 747

5 What is Java exception handling?

1 936

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Un-Answered Questions { Core Java }

What is nested loop? What is dangling else condition in it?

1029

What is update method called?

1104

Why do we need variables?

933

Explain the importance of finally block in java?

912

What are the differences between Java 1.0 and Java 2.0?

2212

What is foreach loop in java?

963

What are the basic concepts of OOPS in java?

980

How do you use find and replace?

905

Can we use switch statement with strings?

993

How do you ensure that n threads can access n resources without deadlock?

1264

Is java ee a framework?

939

What are internal variables?

945

Is vector thread safe in java?

1008

What are exception handling keywords in java?

983

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

4835

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