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 Applet Stub Interface ?

2489

What is CardLayout?

Infosys,

1 5008

What is meant by JVM ?

6 11652

What is meant by Java ?

CMC, Infosys,

2 6146

What is meant by Java interpreter?

4 13438

What is a class ?

8 11808

What is a method ?

6 8568

What is a resource leak ?

1 3889

What is a super class and how super class be called?

3 7075

adapter class ?

2 6269

What is casting ?

2 5784

What is meant by class loader and how many types are there?

Apple,

2 12067

When will we use class loader?

2 5564

What is meant by constructor?

8 16065

What is meant by controls and types?

1 4177

Un-Answered Questions { Java J2EE }

Is spring boot a framework? : Spring Boot

412

Difference between serialization and deserialization in java?

1133

How to achieve JDBC Connection Pooling using JDBC DataSource and JNDI in Apache Tomcat Server?

1019

What happens when a thread cannot acquire a lock on an object?

1031

What is oops in java?

1013

Does java trim remove newline?

980

Describe the steps needed to execute a sql query using jdbc.

978

What is the use of @qualifier in spring?

396

What does split function do in java?

1011

What is container-managed sign-on?

976

Explain about blocking an order?

863

How you deploy your applications on weblogic server?

1075

What is detached in hibernate?

353

can anyone explain me the workflow of EJB.I have developed an app. in WSAD using an example that contains CMP and session bean.But i am not able to understand the basic flow between diffrent packages.

2367

What mechanism does java use for memory management?

972

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