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

howmany types in garbage collection

7 19355

how to monitor the servers

4 10303

howmany connection pool in connection

HCL, TCS,

3 8175

Hi Frieds, I am new to servlet why to use servlet in webapplication. what i know is " use servlet as a controller in mvc and to implemnent business logic . is it correct ? One more thing reason for implementing business logic with servlets , why not jsp.

4 6408

I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?

Honeywell,

2 6999

life cycle of an applet?

3 5519

can we use more than one controller in web application

IBM,

3 10114

How Vector class is synchronized,How to build user defined class as synchronized?

2115

What is difference between abstract class & final class

7 27402

Hai all I want to print given array in reverse order Ex: int a[]={1,2,3,4,5};display this array in reverse order.

4 6305

what is the output ? Math.floor(-2.1) a)2 b)-2 c)-3.0 d)0

Accenture,

4 14102

How to find the size of an array a)array.length() b)array.length c)array.size() d)array.size

Accenture,

6 11239

what is the Yield() method used in threads?

Accenture,

4 8832

System.out.println(101/14) what is the output? a)6 b)14 c)7.14 d)0

Accenture,

8 11025

when a servlet sends request for first time it uses the follwing methods a)init b)doget() c)dopost() d)service

Accenture,

4 7723

Un-Answered Questions { Java J2EE }

what are the different modes of archival? Explain each mode in two lines each?

994

What do you know about validation plugin ?

1024

Find Best Job Vacancies across the world on Jooble!

136

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

1058

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

2659

How can you inject java collection in spring?

503

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

2259

What is a constructor overloading in java?

1121

Is minecraft 1.15 out?

1038

What is a classloader in java?

1084

What is the difference between filters and interceptors ?

1300

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

Explain public static void main(string args[]) in java.

1063

What is parsing in java?

1032

What is latest hibernate version?

486

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