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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is the difference(or similarity if there are some) between object and a variable?

ME,

4 5059

what is ACID test for fresh engineers??what is the pattern??

 2369

what are literals in java?

 2 4127

i need java 1+ experience resume on java developer kindly send me my mail id:srikanthreddy1.marla@gmail.com

 1 6779

How many controlers are there in spring? Plz send me ans

HCL,

1 4196

When we r go to abstract class and when we go to Interface? i have confusion this question while in interview plz clarify

HCL, Photon,

3 5910

Can we add JBoss server instance to weblogic cluster?

Accenture, IBM,

1 4895

When should I use abstract classes and when should I use interfaces?

 2 4663

Which Taglibraury you used in your project? plz send me ans....which we r using generally

 2 4041

What is basic concept of static in java ?

iGate,

1 5686

How to call the m1() method of Base class in below snippet ? class Base { public void m1() { System.out.println("Base m1 "); } public void m2() { System.out.println("Base m1 "); } } ====================== class Derived extends Base { public void m1() { System.out.println("Derived m1"); } public void m3() { System.out.println("Derived m3"); } public static void main(String[] args) { Base ob=new Derived(); ob.m1(); //System.out.println("Hello World!"+ob.m1()); } }

Cap Gemini, TCS,

6 7176

In HashSet duplicates are allowed while adding to the HashSet, but while retreiving the object from HashSet is not shown the duplicate values, WHY ?

Cap Gemini,

2 6016

When to use the Collection Classes(HashSet, LinkedHashSet, TreeSet....etc) in real time scenario ?

Cap Gemini,

1 9004

Explain the OOPS concept in Realtime Scenarion ? Take example as CAR. Please explain indetail ?

Cap Gemini,

2565

What is the difference between static synchronize() metod and synchronize() method?

Polaris,

1 2883

Un-Answered Questions { Java J2EE }

what is asynchrony?

535

What are the functions of Servlet container?

609

How to validate form data in spring web mvc framework?

156

What is an abstract method in java programming?

607

What is computer compiler?

536




Why sessionfactory is used in hibernate?

205

What are the sections into which a strut configuration file can be divided?

558

What is the difference between final, finally and finalize() in java?

521

What is @autowired in spring?

161

What is referential integrity and why is it important?

189

Define persistent classes.

299

How do you create a first line indent?

508

What does hql stand for?

131

What is the flow of requests in struts based applications?

566

How does jdbc connect to database?

479

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