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 10178

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

2 7691

what is a Daemon Thread?

2 5245

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

HCL, IBM, TCS,

4 18866

How to synchronize jsp page?

Infotech, TCS,

1 7362

what are design patterns in java?give with example?

HCL, iGate,

2 7013

Why java is not a pure object oriented language?

IBM,

5 8803

how to run servlet program between two computer through internet ?

TATA,

2942

why java is platform independent?

IBM, SparkTG,

5 8099

Why JDBC has introduced

4 8540

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

Kiran Prakashan, TCS,

2 6902

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

DELL, Geosoft, SparkTG,

4 10895

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

1 4004

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 10214

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

2 4691

Un-Answered Questions { Java J2EE }

Define Context?

1062

Why main method is static in java?

1174

what are the perspectives we have?

860

How can we get hibernate statistics?

353

Why hashmap is used in java?

1091

Why it is called ioc in spring?

386

Where is jdbc used?

974

What is cascade delete?

932

How can the nm be made to work with web logic? Explain?

958

Explain about main() method in java ?

1069

Why are some of the class and element names counter-intuitive?

1142

What are the different types of interfaces present in hibernate?

361

What is the use of @bean annotation?

445

How objects of a class are created if no constructor is defined in the class?

1068

Can you explain struts.properties in struts2?

946

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