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 105139

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

Patni,

1 9595

What is method Overloading in the perspective of OOPS?

6 10741

What is method Overriding in the perspective of OOPS?

TCS,

4 8412

What is numeric promotion?

1 5034

What is persistence ?

2 5828

What is procedure overloading?

2313

What is protected and friendly?

1 5601

What is serializable interface?

Infosys, Probity Soft, Seed Infotech,

13 33604

What is the difference between serialization and deserialization?

ABC,

3 16939

What is singleton class?

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

16 72462

What is synchronization? How it can be achieved?

2 11968

What is the % operator?

2 5268

What is Collection interface?

Zensar,

1 6071

What is Collections API?

1 4717

Un-Answered Questions { Java J2EE }

What is the difference between context parameter and context attribute?

1050

What is the benefit of hibernate?

365

Which database is used for java?

956

Can we define constructor in inner class?

1005

What are the different types of collections in java?

962

What are heap memory and stack memory and what are memory tables.

990

How do you print array in java?

992

How does system arraycopy work in java?

1132

What is a ?

1203

What is a parameter example?

977

What are the important features of Java 11 release?

1118

How to handle non-transacted sessions with respect to jms?

821

What is the execute method in java?

1014

Which collection is sorted in java?

1034

What is Point-to-Point Approach?

1656

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