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 diff string and stringbuffer

CTS, HCL,

7 21816

what is the disadvantage of struts frame work?

11 31869

What is the perpose of EJBs?

3 6216

Can we call the Thread.sleep in Synchyronozed block?

Logica CMG,

5 19197

how can we use the servlet as standalone apllication?should we need to extend any class?

Logica CMG,

2 7356

What is the difference between servlet config and servlet context.

TCS, Tech Mahindra, Vertex,

19 59899

What is the difference between sendRedirect() and forward()? in what situations do we have to use send redirect() instead of forward().

Honeywell, Mind Tree, Samsung, Wipro,

13 44680

In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

Kanbay,

4 9142

How can I call one EJB from inside of another EJB?

CTS,

2 10595

Can the primary key in the entity bean be a Java primitive type such as int?

CTS,

2 8901

What is Transient and volatile

iFlex,

10 33782

How can we serialize a jsp page.

CSC, HCL, Oracle,

3 19290

What is the differenc between Enemuration interface and iterator interface according to accessing?

4 8481

what is the difference between static block and static method

Huawei,

19 57786

What is Marker interface in java? and what is clone?

Persistent, Wipro,

16 36586

Un-Answered Questions { Java J2EE }

What is method in java ?

1073

What is a qualifier in a sentence?

988

How can I control on which weblogic server(s) my application will run? : BEA Weblogic

929

What is jdbc oracle thin?

874

What happens if main method is not static?

996

How do you make a class immutable in java?

856

How to configure global security?

905

Difference between the first and second level cache in hibernate?

332

Is autowired a dependency injection?

414

What is the difference between constructor and setter injection?

415

What is the difference between struts and spring? Explain

906

What are implicit objects in java?

979

How can we make copy of a java object?

1150

What do you know about the garbate collector?

1014

What is anti pattern in java?

966

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