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 6586

how to upgrade the weblogic server licence?

CTS, Wipro,

1 2958

how to change the Nodemanager password?

CTS,

3 11937

how to update the pach?

IBM,

2 6432

how to get the critical application?

TCS,

1 2713

what is struck threadump?

3 7362

tell me the permenent memory issues?

CTS, TCS,

1 2782

what is LDAP?

CTS,

2 12536

how to change the weblogic server password?

2 10348

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 6136

what is the diffrences between platform independent and portable

TCS,

5 23871

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

2 5154

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

ITC Infotech,

1 5386

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

L&T,

3 14338

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??

1 4465

Un-Answered Questions { Java J2EE }

What is a constructor overloading in java?

1119

How can you inject java collection in spring?

499

Write a program to find the whether a number is an Armstrong number or not?

1093

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

1077

explain different ways of using thread? : Java thread

1073

What is a classloader in java?

1080

How to create a base64 decoder in java8?

1123

Explain public static void main(string args[]) in java.

1061

Is minecraft 1.15 out?

1032

Differentiate between static and non-static methods in java.

1112

Can we return resultset in java?

985

Find Best Job Vacancies across the world on Jooble!

123

what are the different modes of archival? Explain each mode in two lines each?

990

What is java string pool?

1072

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

2254

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