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

suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible

HP, Wipro,

6 10200

What is connection pooling? What Method and class used for Connection pooling in Java?

2 7696

what is a Daemon Thread?

2 5248

What is the performance issue in weblogic and how can you resolve ,explain in brief

HCL, IBM, TCS,

4 18874

How to synchronize jsp page?

Infotech, TCS,

1 7371

what are design patterns in java?give with example?

HCL, iGate,

2 7021

Why java is not a pure object oriented language?

IBM,

5 8806

how to run servlet program between two computer through internet ?

TATA,

2945

why java is platform independent?

IBM, SparkTG,

5 8112

Why JDBC has introduced

4 8548

how to run servlet program between two computer through the internet ?

Kiran Prakashan, TCS,

2 6906

can you use the two main method in same class?how?

DELL, Geosoft, SparkTG,

4 10901

which is the better collection class if the requirement is only displaying the data

1 4006

java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

HCL, Wipro,

7 10219

When we give defination of interface method in the class why method must be public???

2 4698

Un-Answered Questions { Java J2EE }

How many locking systems are there in jdbc?

1027

Define declaration.

1074

How many threads can java run?

1114

What is difference between prototype and request scope spring?

492

What is spring mvc interceptor and how to use it?

437

Does weblogic jms support clustering? : BEA Weblogic

952

Write a program to show whether a graph is a tree or not using adjacency matrix.

1097

What are the factors that the jdbc driver performance depends upon?

973

What are the advantages and disadvantages of java sockets.

1033

Which are the design patterns that are used in hibernate framework?

359

What is Stream Tokenizer?

2257

How many types of statements are there in jdbc?

931

How can we invoke another servlet in a different application?

1217

What are all the features of JMS API in J2EE platform?

923

Explain the use of @controller and @requestmapping annotations in spring mvc.

408

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