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

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

HCL,

6 11756

wat is class level lock and object level lock

HCL, Persistent,

3 22239

is it possible to add a object in a HASHMAP

HCL,

6 9797

why we cannot declare static variable inside a static method

4 9829

why using interface interface ?

2046

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

HCL,

1 2808

different between exception and error? explaim check and uncheck exception

4 7424

What is the difference between stateful and stateless session beans?

Tech Mahindra,

2 8195

Difference between interface and abstract class with ex.

Cognizant, Tech Mahindra,

4 9619

what is Thread priority?

Tech Mahindra, Wipro,

4 8078

Distinguish method overloading and overriding

Tech Mahindra,

2 5704

Distinguish method overloading and method overriding

Tech Mahindra,

4 7406

What is thread priority?

Tech Mahindra,

1 5763

how to search the pertical objects in a Collections

iGate,

3 6276

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 5550

Un-Answered Questions { Java J2EE }

In java, what is the difference between method overloading and method overriding?

1123

Is array size fixed in java?

976

Why hashmap is used in java?

1094

how to write a server program and sending the mails to the server using smtp protocol please help me

2066

Where javac is located?

902

Explain about strings in java?

1074

What are the access modifiers available in java?

1132

Are arrays dynamic in java?

1034

What is difference between j2ee and java?

929

how are methods defined?

1057

What is matcher in java?

1004

Is jdbc object oriented?

944

What does it mean to be immutable?

969

Can you override static methods?

999

Can you call a jsp from the servlet?

1023

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