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

Core Java Interview Questions

Questions Answers Views Company eMail

How to call one constructor from the other constructor ?

1077

What is exception handling in java?

1050

What are static blocks and static initalizers in java ?

1092

What is ‘is-a ‘ relationship in java?

1056

Can we use catch statement for checked exceptions when there is no chance of raising exception in our code?

1049

Explain java coding standards for constants?

1029

Explain about features of local inner class?

1144

When a thread is executing a synchronized method , then is it possible for the same thread to access other synchronized methods of an object ?

1050

How to change the priority of thread or how to set priority of thread?

1037

What all access modifiers are allowed for top class ?

1201

In how many ways we can do exception handling in java?

1011

Can we restart a thread already started in java?

1121

Why main() method is public, static and void in java ?

1118

What are abstract methods in java?

1140

What is method in java ?

1102

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Un-Answered Questions { Core Java }

Which variables are stored in heap?

1047

Is java based on c?

1004

How to print nodes of a Binary tree?

2262

Name component subclasses that support painting in java programming?

1087

What is the use of bufferedreader?

1012

What is the difference between overriding & overloading?

1087

What are java annotations?

1177

Can we use both this () and super () in a constructor?

1017

Can the garbage collection be forced by any means?

1019

Difference between association, composition and aggregation?

1010

How many types of flags are there?

1034

What are the advantages of arraylist over arrays?

1109

How does a for loop work?

1000

How many bits is a string?

1017

What do you mean by multithreaded program?

1024

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