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

Q1. A. Write note on "The class path Environment Variable". B. Which are different kinds of source code? Q2. A. How to create an interface? B. Why convert an applet to an application? Q3. A. How to use Media tracker Class. B. How to use string tokenizer class. Q4. A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on "The properties class" Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

1 5829

How to create two different thread class inside a main function?

1 5199

does j2ee means advanced java

10 24693

why we are using XML?

TCS,

14 27303

Can i use constructor in Action Class?If yes how?

8 16981

When wil use singleton class in Struts

7 18254

What is Model 1 and Model 2?

3 7374

What is the difference between Eclipse and MyEclipse?

IBM, Wavex,

7 41199

What is IOC in spring?

Centris,

10 34723

What is difference between Application Server and Web Server?

Logica CMG, SCS,

1 5059

What is forward() and include() of servlets RequestDispatcher interface?

HCL,

6 23245

why String class is immutable.

iGate,

5 13813

How to sort a vector elements that contains the user define class object? (Note: If Suppose consider, A Student class contain two data members. They are String studentName and int rollNo. I am creating Four objects for this class, each object contains students details like name and roll no. Now i am storing that objects in vector and if i retiving the elements from the vector means then it should be display in sorting order)

ProdEx Technologies,

3 8862

what is aberivation of java?

14 19275

explain about jre and jvm

2 7350

Un-Answered Questions { Java J2EE }

Java is fully object oriented languages or not?

995

What are the features added in Servlet 2.5?

1256

How does multithreading take place on a computer with a single cpu?

1005

What is hibernate first level cache?

511

What is the purpose of the file class in java programming?

1025

What are swings awt?

931

Does java runtime require a license?

1068

Tell us something about servletcontext interface.

1091

what is the difference between process and thread? : Java thread

991

What is the difference between @configuration and @component?

521

What the identified advantages are of hibernate?

359

What is the major advantage of external iteration over internal iteration?

1106

What is the use of conditional statement?

982

What are the different modules of wlst?

1024

Hi friends am new to java. I read jar file means collection of java files. For executing struts application what are the necessary jar files. " struts.jar " file contains what. can u explain

1930

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