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 5834

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

1 5209

does j2ee means advanced java

10 24717

why we are using XML?

TCS,

14 27351

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

8 17008

When wil use singleton class in Struts

7 18273

What is Model 1 and Model 2?

3 7377

What is the difference between Eclipse and MyEclipse?

IBM, Wavex,

7 41232

What is IOC in spring?

Centris,

10 34744

What is difference between Application Server and Web Server?

Logica CMG, SCS,

1 5067

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

HCL,

6 23256

why String class is immutable.

iGate,

5 13833

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 8871

what is aberivation of java?

14 19303

explain about jre and jvm

2 7362

Un-Answered Questions { Java J2EE }

What are the advantages of java inner classes?

1072

What is persistent state?

365

What are the different types of users?

975

What is hibernate session factory?

341

Is array primitive data type in java?

1006

How to perform merge sort in java?

1060

What are methods and how are they defined?

1212

Why is sessionfactory used in hibernate?

377

What is percentage in java?

1007

How many types of installations?

957

Can an integer be null java?

1012

What are the contents of hibernate configuration file ( hibernate.cfg.xml )?

355

What is jlabel java swing?

999

What are the advantages of using spring boot? : Spring Boot

468

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

1183

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