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 the java project architecture?

IBM,

2249

What Is Resource Leak?

2 5502

How to create Connection interface object because it is Interface , Interface is not instansiated?

Aptech, CTS, HCL,

9 19233

In which language JVM (Java Virtual Machine) is implemented

5 9230

Why we should declare the variables as static and final in interfaces?

1 5427

what is transaction?what are the differenr type of transactions

HCL,

1 4601

Suppose there are 3 combo box. SELECT COUNTRY SELECT STATE SELECT CITY if i select any country from country conutrylistbox values in the state will get automatically inserted with database values>> THEN on selection of state city will be inserted in city combo box If you can help then please Help me...

HCL,

2 13017

Sapient Interview Questions

Sapient, TCS,

8 55544

Why serialization is used?

IBM,

2 8124

dIFFERNCE BETWEEN VERSIONS 8.X,9.X,10.X

3 8604

the advantages of polymorphic

1 3702

How to carryout the validations in struts if the validator frame work cant handle the validation

Syntel,

2 7551

what are java stuts? what are there uses

Rupa, Tech Mahindra,

2 6340

Can I have constructor in Interface?

2 17066

How can we create a object of a class without using new operator.

Infosys, Nokia,

1 7713

Un-Answered Questions { Java J2EE }

What is session?

1074

How many jdbc driver types are there?

923

What is @injectmock?

941

Why singleton class is used in java?

1140

What's the benefit for specifying constraints like not null, primary key explicitly instead of specifying it against the column ?

973

Can I map more than one table in a cmp?

1086

What are the classes placed in the weblogic classpath?

965

Describe spring dao support?

443

What is the reason why we need a jdbcrowset like the wrapper around resultset?

977

Is hibernate a tool or framework?

350

Is stringwriter thread safe?

1002

Difference between class#getinstance() and new operator ?

1213

What is jdbc odbc in java?

1092

Can a constructor have different name than a class name in java?

1197

How can you share data between two thread in Java?

951

For More Un-Answered { Java J2EE } Questions Click Here