Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is static variable and static method?

Accenture, Prolific, Prolifics, TCS, TNH,

32 105002

Explain about vector, dictionary,hash table, property classes?

Patni,

1 9579

What is method Overloading in the perspective of OOPS?

6 10710

What is method Overriding in the perspective of OOPS?

TCS,

4 8387

What is numeric promotion?

1 5026

What is persistence ?

2 5803

What is procedure overloading?

2306

What is protected and friendly?

1 5583

What is serializable interface?

Infosys, Probity Soft, Seed Infotech,

13 33545

What is the difference between serialization and deserialization?

ABC,

3 16908

What is singleton class?

3i Infotech, 7 Seas, ABC, Amdocs, Cap Gemini, Oracle, Persistent, TCS, Techforza,

16 72365

What is synchronization? How it can be achieved?

2 11955

What is the % operator?

2 5249

What is Collection interface?

Zensar,

1 6046

What is Collections API?

1 4707

Un-Answered Questions { Java J2EE }

Which jms standard interface defines the methods to create the different types of messages?

855

What does index mean in java?

991

Can you declare an interface method static?

1051

What’s the difference between callable and runnable?

1098

what is meant by Byte code concept in Java?

1061

RowSetInternal caller and returns void. What can I do in the readData method?

976

What is the largest number a double can hold?

1039

What are the parts of methodology?

969

Can we use spring and hibernate together?

434

What are the benefits of hibernatetemplate?

379

How is the logging implementation specified in web logic?

1109

In case of inheritance what is the execution order of constructor and destructor?

1127

What happens if resultset is not closed?

467

What is metadata in jdbc?

992

Why class is used in java?

880

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