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

what is struts? why Struts?

CTS, Infosys, TCS,

6 10020

java is puerly object oriented or not ?

5 6818

i need income tax program using java inheritance concept. could u please help me?

2 5001

difference between byte stream class and character stream class?

4554

why should we get the following error ? Exception in main method NoClassDefFoundError:classname could anyone give the detail clarification on how java compiler can look for .class file?

2 4012

i need source code for income tax program using java inheritance

1 5029

java is fully object oriented languages or not? why?

HCL,

12 21354

What are the notations in Java?

Cap Gemini,

1 8846

What are library required to connect to excel sheet.

Cap Gemini,

2 6195

What is “try and catch” in java

Cap Gemini, TCS,

5 8586

Scenario: There are 1 to 100 numbers. Each number should be keep in the each column like from A column to Z column ie 1 to 26. From 27 to 52 should be in 2nd row in the excel sheet. This has to be continue till 100. How do you write Java program and what are various methods.

Cap Gemini,

4 8013

Difference between treemap & sortedset

Oracle,

3 12037

Diffrence between arraylist and hashmap

Oracle,

3 8328

what is data modeling?what is final method

Oracle,

1 5305

explain filters in java?

TCS,

2 7200

Un-Answered Questions { Java J2EE }

What is weblogic application server?

1031

What does loosely coupled mean?

396

what is ibm mq series? What is the significance of mq series?

919

What is server in j2ee?

872

Describe the various concepts related to object oriented programming (oop).

1028

Why hashcode is used in java?

967

What is the different actions available in struts?

1013

Explain wait(), notify() and notifyall() methods of object class ?

1030

What is overriding in java?

1069

How is spring different from spring boot? : Spring Boot

457

What is the purpose of main function in java?

1025

Enlist and explain the main methods associated with the resource interface.

413

What’s the usage of configuration interface in hibernate?

546

What is the difference between abstract class and interface1? What is an interface?

1068

What is the super void?

899

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