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 8345

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

2088

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

Systematix,

1 4889

basic difference b/w ALL types of JDBC driver.

Systematix,

1 5731

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 5505

what is meaning of JIT?

4 10117

wht is mean by dirty read?

1 8506

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

2 9606

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 17592

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 8513

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 199821

what is difference between and tag

CTS, IBM,

2 16643

what is diffrence between Dynaactionform,actionform and Dynavalidateform

TCS,

8 31403

wnet use DAO design in u r project?

Godrej,

1 5403

what is difference between Exception and Error?

36 95370

Un-Answered Questions { Java J2EE }

What are the ways to handle multi-threading in servlets?

1085

What are the basic hibernate persistent annotations?

475

When was ejb developed?

1015

What is Client-Server Computing?

2421

What are the types of methods in java?

1115

What steps are required to for an application migration from Struts1 to Struts2?

1026

Tell us something about different types of casting?

921

What is jms testing?

896

How can you fetch records by spring jdbctemplate?

390

What is wildfly java?

905

What are the months of spring?

413

Why are generics used?

962

What is difference between local variable and global variable?

1018

Explain get and post.

1109

Is jdbc and orm?

931

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