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

There are 100 keys and values in HashMap.how to get the keys and values?

IBS,

1 6488

how to upgrade the weblogic server licence?

CTS, Wipro,

2819

how to change the Nodemanager password?

CTS,

3 11745

how to update the pach?

IBM,

2 6270

how to get the critical application?

TCS,

2652

what is struck threadump?

3 7177

tell me the permenent memory issues?

CTS, TCS,

2714

what is LDAP?

CTS,

2 12332

how to change the weblogic server password?

2 10160

for example we have two boxes,one box it contain one adminserver & one managed servr and another box it contain one managed server.how to configuring the these server?

1 6042

what is the diffrences between platform independent and portable

TCS,

5 23559

what is the meaning of following code snippets Class c=class.forName(driverClassName); Driver d=(driver)c.newInstance();

1 5038

Is success EJB3.0 in the Market? IF yes just explain main differences between EJB2.0 and EJB3.0.

ITC Infotech,

1 5280

Which is better approach among four(HttpSession,cookie,URL Rewriting, Hidden Fields) Session Tracking technic's ? Why ?

L&T,

3 14126

for example we are login into the irctc server from there it will go to the selected bank and deduct amount and come back to the irctc. so if we are developing this in java means will it be run on the same session. but as per my knowledge bank is separate and irctc is separate URL's so it will use two different sessions then how it is maintaining same session through out application and even it uses the payment gateway? how it is working can any one help me on that??

4386

Un-Answered Questions { Java J2EE }

How can you inject a java collection in spring?

384

What is java in detail?

1063

Explain the use of javap tool.

1137

Why is method overloading not possible by changing the return type in java?

1001

What is bean in ejb?

945

Where import statement is used in a java program?

1123

What is stateful bean in spring?

421

What are the benefits of ioc in spring?

480

Describe catalog subsystem and the tables used in wcs for managing this?

862

Why array is used in java?

965

What is the default size of arraylist in java?

1122

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

2344

What state does a thread enter when it terminates its processing in java programming?

1036

Does spring boot require web xml? : Spring Boot

449

What is methods in java?

1002

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