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 difference between perform() used in struts1.0 and execute() used in 1.1 ?

Infotech,

3 17591

Is struts thread safe?

HCL, Mphasis,

4 25918

How do you know what to give for the "path " under in struts-config.xml ?

1 6028

what is the advantages and diadvantages of Struts?

1 10653

What is Struts Frame Work Architecture(With Diagram) ?

CMC, Wipro,

2 24543

What is Request Dispatcher and what is Request Process?

2 11343

Wat is Difference between Mvc1 architecture and Mvc2 Architecture?

HCL, IBM, Sanyaa Infotech,

21 57483

In Struts Programming which is the controller,which is the model?

10 20334

What are Struts properties?

VI eTrans,

2 13432

what is the difference between HashMap and Hashtable

Value Labs, Virtusa,

17 64115

what is the difference between ArrayList and Vector

KPIT, Sasken, Satyam, Span Infotech, Wipro,

19 50550

what is the difference between @include page and @include file

2 8879

we use MainFrame and using os390 for operating system with DB2 data base in IRAN and interest programing with java and use webspere for world wide,please help me where i should start?

IBM,

1 2504

String is an immutable object. Then how can the following code be justified. String s1 = ?ABC?; String s1 = s1+?XYZ?; s.o.p(s1); The output is ABCXYZ, which is the value of s1 ?

Flextronics, Keane India Ltd,

6 18586

Instead of writing Home, Remote Interfaces if i directly extends EJBObject to bean class what happens?

Flextronics,

1 5470

Un-Answered Questions { Java J2EE }

What are the differences between heap and stack memory in java?

1126

How is declarative handling of exceptions done in struts ?

1001

How to create a base64 decoder in java8?

1131

What is latest hibernate version?

486

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

2257

What is an object in java and how is it created?

1128

i want test pattern of zylog company and some examples also

2855

Differentiate between static and non-static methods in java.

1116

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

1063

Write a program to find the whether a number is an Armstrong number or not?

1095

What is the difference between break and continue statements?

1117

explain different ways of using thread? : Java thread

1079

Write a program to print count of empty strings in java 8?

1078

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 different modes of archival? Explain each mode in two lines each?

994

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