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)

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

Java J2EE Interview Questions

Questions Answers Views Company eMail

In method overloading ,if i change the return type to Long instead of INT,is the program execute

HCL,

6 11751

wat is class level lock and object level lock

HCL, Persistent,

3 22235

is it possible to add a object in a HASHMAP

HCL,

6 9796

why we cannot declare static variable inside a static method

4 9828

why using interface interface ?

2043

why use interface? if interface declear a method implement in class. why direct implement method in class

HCL,

1 2806

different between exception and error? explaim check and uncheck exception

4 7421

What is the difference between stateful and stateless session beans?

Tech Mahindra,

2 8194

Difference between interface and abstract class with ex.

Cognizant, Tech Mahindra,

4 9615

what is Thread priority?

Tech Mahindra, Wipro,

4 8072

Distinguish method overloading and overriding

Tech Mahindra,

2 5702

Distinguish method overloading and method overriding

Tech Mahindra,

4 7403

What is thread priority?

Tech Mahindra,

1 5762

how to search the pertical objects in a Collections

iGate,

3 6275

iam writing the contents to a excel through I/O i am putting first statement as WRITE and then READ(from excel) immediately..later user complains that he is not getting the date by using READ ..wat could be the situation

iGate,

3 5547

Un-Answered Questions { Java J2EE }

What is java util?

1023

Can a final variable be null?

1016

What are Struts2 core components?

1007

How to use string tokenizer class.

1207

What is j2ee application?

962

What is the relationship between an event-listener interface and an event-adapter class?

1127

How do you reverse sort a list in java?

938

What is automatic dirty checking in hibernate?

361

Is There Any Possibility For Starting Managed Server During The Absence Of Administrator Server ?

1096

What is the role of a deployer?

1047

What is assembly in java?

913

What is an event handler in swing?

1144

Explain what access modifiers can be used for methods?

1086

Compare overloading and overriding?

1005

Variables used in a switch statement can be used with which datatypes?

999

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