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

Core Java Interview Questions

Questions Answers Views Company eMail

Highest level event class of the event-delegation model?

4014

What is the immediate superclass of the Dialog class?

2 7459

What is the life cycle of an Applet ?

1 3561

Which method will get invoked first in a stand alone application?

1 4366

Which method is used to find that the object is exited or not?

2 8905

Name the method that used to clear the buffer ?

2 7710

What is the middleware?

2 4862

What is the functionality of Webserver?

2 5436

What is the order of method invocation in an Applet?

1 7295

What is the preferred size of a component?

ITSA,

3 19892

What is the purpose of a statement block?

1 5158

What is the purpose of finalization?

4 12202

What is run-time class and system class? what is their purpose?

1 5396

What is the purpose of the File class?

3 9601

What is Runtime class and its purpose?

2 10582

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Un-Answered Questions { Core Java }

What is the difference between multitasking and multithreading in Java

1185

Is null false in java?

1194

Can we sort set in java?

952

Can substring create new object?

1124

What is the difference between @before and @beforeclass annotation?

1107

Why do we use threads in java?

1118

What is the difference between break and continue statements?

1040

How to do encapsulation in java?

1052

what is the messsage u r going to get from an objectoriented programing?

2103

Write code to implement bubble sort in java?

995

Explain the protected field modifier?

1097

What happens to the Exception object after handling an exception?

2370

what is mutual exclusion? : Java thread

1021

What are the 4 types of research methods?

922

Can we extend private class in java?

983

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