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

Core Java Interview Questions

Questions Answers Views Company eMail

Realized?

2184

What is the specification of ?CODEBASE? in an applet?

1 4180

When you Click a Button, What event will be fired?

5 7309

What error occurs if a try-catch-finally statement sequence does not have a catch clause?

4 8637

What happens if an exception is not caught?

Amazon,

6 17215

What happens when you assigned a 'double' value to a 'String'?

8 11191

AWT event listeners extends what interface?

1 3219

How listener identify that the event came from a particular object?

1993

What is AppletStub?

1 3516

What is Connection pooling? Explain Pros and Cons?

1 9612

What is constructor and virtual function?

5 11559

Can we call virtual funciton in a constructor ?

XX,

2197

What is an Exception ?

10 14858

What is Remote Interface ?

CTS,

6 12954

What is a Java package and how is it used?

2 8518

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Un-Answered Questions { Core Java }

Can we rethrow the same exception from catch handler?

1120

Is it compulsory for a try block to be followed by a catch block in java for exception handling?

1008

Can an interface be defined inside a class?

1054

Is binary a low level language?

916

How many types of operators are there?

980

How to sort numbers in java without array?

979

What is nan in java?

990

What is the syntax and characteristics of a lambda expression?

1040

If a class is declared without any access modifiers, where may the class be accessed in java programming?

1210

Can we make main() thread as daemon?

1098

What is a nested list?

960

How does linkedlist work in java?

919

Are true and false keywords?

1024

What is blank final variable?

1062

What is floating data type?

979

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