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

why abstract class will have a constructor?

4 8358

how to run ecllipse with jettyserver for windows environment using batch file

2091

can we Connect Applet to Data Base ? with Discriptiom. and also What is Diff. from Applet & Servlet?

Systematix,

1 4890

basic difference b/w ALL types of JDBC driver.

Systematix,

1 5741

perpare on factorypattern,linklist wothout using collection, (multitharding ie create producer/customer therad producer create Queue continuesly,consumer consume queue, consumer wait if queue is full,producer wait if queue is empty),diff betn sleep(1000)&wait(1000) these r the main Q ask in huawei(2008)

Huawei,

1 5526

what is meaning of JIT?

4 10134

wht is mean by dirty read?

1 8513

what is the difference between Java Command Line and C command Line?

2 9619

In Inheritence concept, i have a static method in super class and i am inheriting that class to one sub class.in that case the static method is inherited to sub class or not????

Accenture,

12 17632

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.

iGate, Seed Infotech,

2 8530

what are the oops concept in java explain with real time examples

Accenture, Bosch, Consummate Technologies, CTS, Current Technologies, iNautix, Infosys, Kekran Mekran, QA InfoTech, RTRT, SofTech, Tech Mahindra, Thorogood, Timios, Wipro,

24 199875

what is difference between and tag

CTS, IBM,

2 16657

what is diffrence between Dynaactionform,actionform and Dynavalidateform

TCS,

8 31415

wnet use DAO design in u r project?

Godrej,

1 5404

what is difference between Exception and Error?

36 95460

Un-Answered Questions { Java J2EE }

What is autoboxing and unboxing?

1010

What are the different modules used in spring?

721

What is a transactional process?

478

What are the types of relation?

1046

What is disadvantage of hibernate?

385

What is target object?

433

What are the different types of spring?

401

What is spring jms?

834

Explain the role of driver in jdbc.

1008

How will you communicate between two applets?

1172

What is the difference between model and modelmap in spring?

428

Describe the concept of message driven bean clustering.

824

Is object a composite data type in java?

955

In java, how many ways you can take input from the console?

1000

What is serialization and deserialization in java programming?

999

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