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?

2189

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

1 4185

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

5 7338

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

4 8648

What happens if an exception is not caught?

Amazon,

6 17261

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

8 11219

AWT event listeners extends what interface?

1 3232

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

1995

What is AppletStub?

1 3523

What is Connection pooling? Explain Pros and Cons?

1 9625

What is constructor and virtual function?

5 11571

Can we call virtual funciton in a constructor ?

XX,

2205

What is an Exception ?

10 14899

What is Remote Interface ?

CTS,

6 12983

What is a Java package and how is it used?

2 8534

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Un-Answered Questions { Core Java }

What is an class?

1037

What does indexof return in java?

991

why doesn't java run on all platforms?

1029

How do you clear a method in java?

1009

define polymorphism in java

1091

What is the purpose of default constructor?

1001

Explain what pure virtual function is?

1025

What is the biggest integer?

1054

What is entry set in java?

1144

Do you need to import math in java?

1007

how we can create packages in java?

969

What will happen if a thrown exception is not handled?

1022

Difference between a class and an object?

1039

Define inheritance with reference to java.

1091

What are the types of literals?

1188

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