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Core Java Interview Questions
Questions Answers Views Company eMail

Realized?

1219

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

1 2785

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

5 4321

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

4 5547

What happens if an exception is not caught?

Amazon,

6 12063

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

8 6766

AWT event listeners extends what interface?

1 1875

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

1068

What is AppletStub?

1 2187

What is Connection pooling? Explain Pros and Cons?

1 7853

What is constructor and virtual function?

5 8286

Can we call virtual funciton in a constructor ?

XX,

1351

What is an Exception ?

9 9743

What is Remote Interface ?

CTS,

6 9157

What is a Java package and how is it used?

2 6483


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Un-Answered Questions { Core Java }

What is data and its types?

117


Can a class have multiple subclasses?

115


Can we declare a class as static?

177


What is the relationship between clipping and repainting under awt?

163


can I implement my own start() method? : Java thread

133






Can a static method be overridden in java?

118


what is difference between equals and ==?

145


What is keyset in java?

105


What is the use of math abs in java?

120


I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

148


What is the difference between abstract classes and interfaces?

130


explain the difference between jdk and jvm?

138


What are variable names?

115


What is loop in java?

116


How many characters is 16 bytes?

107