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 OOP's Terms with explanation?

1256

What is better - 'bit-shift a value' or 'multiply by 2'?

DELL,

1271

How would you use Bubble Sort to sort the number of elements?

Genpact,

1073

What is close method? How it's different from Finalize & Dispose?

InfoAxon Technologies,

1139

Can a private method be declared as static?

Global Logic,

1073

What do you understand by access specifiers in Java?

Genpact,

1060

Implement two stacks using a single array.

Global Logic,

1114

What is the use of 'super' keyword inside a constructor?

Flextronics, Thomson Reuters, Virtusa,

1033

What is the method to declare member of a class static?

HCL,

1070

What is Mutex (Mutual Exclusion Object) ?

Ciena,

1225

Give differences between Quicksort &Mergesort. When should these sorts be used andwhat is their running time in java?

Genpact,

1296

What do you mean by JVM?

Ericsson,

1143

When does a class need a virtual destructor?

Flextronics,

1072

How is tree Mirroring implemented?

Fidelity,

1129

How can u increase the heap size in the memory?

Infosys,

1075

Un-Answered Questions { Java J2EE }

what is use of functional interface in java 8?

1106

what are the high-level thread states? : Java thread

1085

How to split a string in java?

1194

What is a pattern what is an anti pattern?

1042

How many types of spring scopes are there?

463

What is a hibernate template class?

450

What if the static modifier is removed from the signature of the main method?

1313

Why do we need to remove cache?

1129

Is null an object in java?

1089

Why application context is used in spring?

505

What is the use of the statement in jdbc?

988

What are the advantages of spring framework?

574

What are the types of the main implementing classes in the map interfaces? : java collections

1226

What is many-to-many association in hibernate?

449

Can anonymous class have constructor?

1077

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