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 are peerless components in java programming?

1031

What is the purpose of the finally clause of a try-catch-finally statement in java programming?

981

How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?

1030

What is an abstract method in java programming?

1063

What is the set interface in java programming?

1232

What modifiers may be used with an inner class that is a member of an outer class in java programming?

1118

What is the difference between a static and a non-static inner class in java programming?

1092

Is sizeof a keyword in java programming?

1074

What is casting in java programming?

1057

What is the preferred size of a component in java programming?

1014

What is the difference between the paint() and repaint() methods in java programming?

1206

Can an anonymous class be declared as implementing an interface and extending a class in java programming?

1304

What an i/o filter in java programming?

1117

What advantage do java's layout managers provide over traditional windowing systems?

973

What is synchronization and why is it important in java programming?

957

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Un-Answered Questions { Core Java }

What is busy spin, and why should you use it?

1105

How do you convert string to int in java?

1091

Can an integer be null java?

1025

What are the advantages of exception handling?

1079

Explain about main thread in java?

1097

What is flush () in java?

1020

What does the exclamation mark mean in java?

1263

What is meant by javabeans?

1110

I am unable to find or learn about print command. I have a graphical program in core java in applet but i want to give print command but i have coding for that so if anyone know about this plz mail me on avdhesh_chauhan007@yahoo.co.in

2114

What are three advantages of using functions?

1025

Do I need to import java.lang package any time? Why?

1409

How many techniques can be employed to create a string object?

1126

Can we write any code after throw statement?

1066

What is the difference between an inner class and a sub-class?

1034

Why is it important to initialize a variable?

1006

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