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 BUSINESS DELIGATE PATTERN,DAO,VO,DTO?

BOB Technologies, TCS,

6 29077

without using arthematic operation ,how can you write the logic for adding/substraction/multiplication?

Tanla Solutions, Wipro,

7 14034

How to create an instance of a class if the class has private constructor?

3 9779

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 20517

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 20082

How to create an instance of a class without using "new" operator? Plz help me out properly.Thank u.

CSC,

10 28920

give me a java code snippet to connect Microsoft excel through.... I am trying alot... plz help me.

7 18271

how u do unit testing?

iFlex,

2 6327

How u dubugg ur project?

iFlex,

1 6574

what is the difference between?when we write the code in following manner? class One extends httpservlet { } and class One extends genericservlet { }

4 8154

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

Infosys,

2 11698

Hi guys.. Well can u tell me that why there is need of "init()" , i mean why can not we initialize the servlet object with the help of constructors? Thank you.

7 10046

who was the founder of java

CTS, HCL, ProKarma,

32 58080

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

1 2237

when connecting with the database,if database server is down,ho can we handle this exception in struts,how can we send error message to the user?

Wipro,

4 11520

Un-Answered Questions { Java J2EE }

How can you inject java collection in spring?

503

What is parsing in java?

1031

What is the difference between equals() and == in java?

1032

How is declarative handling of exceptions done in struts ?

1001

Is minecraft 1.15 out?

1038

What is difference between @controller and @restcontroller in spring?

536

What do you mean by an interface in java?

1095

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2258

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2862

How to sort array in descending order in java?

986

What is latest hibernate version?

486

explain different ways of using thread? : Java thread

1079

i want test pattern of zylog company and some examples also

2855

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2658

What are the contents on web.xml in struts application ?

1058

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