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

I dont want to use serialzable in java is there any another concept so plz tell me

WDC,

3 6959

explain the collection in java

WDC,

1 4679

How to implement Singleton

DELL,

6 10283

what is core dump? diff b/w core dump and c dump?

IBM, TCS,

1 8980

what is digital certificate?

HCL, IBM,

3 10268

How does marker interface provides functionality to the implemented class ? or How dose maker interface gets the functionalities as serialization or cloning.

Cap Gemini,

4 9204

What are different Methods and Classes written in a Session Bean

DELL,

1 6090

what is collections in java?

4 6640

how can i kill thread without stop() and destroy()

1 5487

can i call multipule form beans in Action class?

Wipro,

1 5864

Why sleep()is in Thread and wait() in Object class? Why can't I have both in one class or vice versa?

1 6155

This is related to threads. I have a class with synchronized method m1(). Can I create different instances of this class and execute the m1() for different threads?

3 6243

What compiler do not do if we create our own constructor?

HCL,

5 8778

Which method is called when reference variable is passed in system.net?

HCL,

1 2486

Difference Between getRequest and PostRequest?

HCL, TCS,

8 12251

Un-Answered Questions { Java J2EE }

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

What are the differences between heap and stack memory in java?

1124

Realized?

2254

Write a program to print count of empty strings in java 8?

1077

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

What is lazy class?

480

How is declarative handling of exceptions done in struts ?

1001

What is a constructor overloading in java?

1121

What is the difference between break and continue statements?

1117

What is difference between @controller and @restcontroller in spring?

536

What are the contents on web.xml in struts application ?

1058

How can you inject java collection in spring?

503

i want test pattern of zylog company and some examples also

2855

explain different ways of using thread? : Java thread

1079

Can we return resultset in java?

985

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