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

How to handle exceptions without using try,catch,throw, and log4j

Condeco, Marlabs,

4 16000

what does a constructor does.

Marlabs, Microsoft,

6 11013

what is swing and jsp. where we use swings and jsp

IBM,

6 13320

What is an Ioc pattern? There are assemblies in .net for establishing this task, Whats the special in Java /j2ee technologies about IOC

2 8229

What is hard code & soft code?

Cognizant, Wipro,

7 61380

jdbc drivers?

Wipro,

8 15724

Can we declare an anonymous class as both extending a class and implementing an interface?

College School Exams Tests, JVA, TCS, Wipro,

8 18294

what is difference Between Core Java and advance java

HCL, HP, Sambalpur University, TCS, Vensai Technologies, Wipro,

60 176214

how cani read a command line argument?(usingfile object).

3 6622

what is the use/perpose of having a method antive?

2 5771

when asub class inherits a super class and overrides a public method of super class in sub class(public method in super class). why these methods needs to be public in sub class. (otherwise compile time error).

3 6557

project architechture in java

AC, IBM, INDUS, Satyam,

3 13311

what is the difference between statis block and static variable

7 11406

What is the difference between AWT & Swing?

BeBo Technologies, Deshaw, TCS,

21 98868

how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean?

Infosys,

2980

Un-Answered Questions { Java J2EE }

What is the new basic requirement for a cmp entity bean class in 2.0 from that of ejb 1.1?

990

Is security a cross cutting concern?

426

What are 3 boolean operators?

1001

How you are getting the alerts?

1038

What is double checked locking in singleton?

1052

What is the difference between jdbc and odbc?

987

What is DDP?

942

what are synchronized methods and synchronized statements? : Java thread

995

What the identified advantages are of hibernate?

359

What is an infinite loop?

1255

What are the rules for variable declaration?

965

Can a set contain duplicates?

948

Is empty .java file name a valid source file name?

1122

Which design pattern is used in spring aop?

477

What is difference between evict and clear in hibernate?

353

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