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 a container there are 5 components. I want to display all the component names, how will you do that?

2190

What is the exact difference in between Unicast and Multicast object?

2123

Where will it be used?

1939

What is the main functionality of the remote reference layer?

1999

How do you download stubs from Remote place?

1788

I want to store more than 10 objects in a remote server? Which methodology will follow?

3204

What is the main functionality of Prepared Statement?

4 7685

What is meant by Static query and Dynamic query?

2 6540

What is meant by Servelet? What are the parameters of service method?

2 7459

What is meant by Session? Explain something about HTTP Session Class?

1 9962

Can you call Action class methods from Struts config.xml?

iGate,

1 6252

how to make hashmap object as synchronized object?

BOB Technologies,

2 5622

how to execute main()

Symphony, TCS,

4 8266

Where we configure virtual host?if we configure in admin console (what is host file in etc/host)

1 7435

can we overload main method?

TCS,

8 9762

Un-Answered Questions { Java J2EE }

Is struts mvc framework?

929

Which class is used by server applications to obtain a port and listen for client requests?

965

What is glasgow?

1057

What are the technologies a java developer must know?

900

Is age discrete or continuous?

1138

How does a sender application transport/send a message through jms?

888

What is difference between applicationcontext and beanfactory?

475

What is the difference between the direct buffer and non-direct buffer in java?

1032

Why is singleton instance static?

995

Can we use the constructor, instead of init(), to initialize servlet?

1099

What are the steps to connect to a database in java?

943

Is @component a singleton?

457

Is spring boot an open source? : Spring Boot

540

What is valid keyword in java?

1000

How to handle non-transacted sessions with respect to jms?

821

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