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 do you mean by web applications?

1210

Why do we have servlet wrapper classes?

1074

Explain the significance of class loaders in bootstrap?

952

Write a program to check string is palindrome without using loop?

Cyient,

1045

What is jvm? How its run?

1093

Define inheritance with reference to java.

1097

When will we prefer to use set and list in java and why?

968

How can we create a synchronized collection from given collection?

1088

How to avoid memory leak in java?

1145

What is the difference between a checked and an unchecked exception?

Cyient,

1003

How dead lock situation occurs in java and how you can identify it?

1001

What are the various access specifiers in java?

1013

Write a java program for binary search?

1077

Explain the difference between call by refrence and call by value?

1032

Why we use multi threading instead of multiprocessing?

1069

Un-Answered Questions { Java J2EE }

Explain what is orm?

1115

What is difference between hibernate and jpa?

441

What data type is a string?

1019

Explain the locking system in jdbc & its types?

999

What is use of static method?

1062

What is a jms server?

946

What is final method in java?

1038

What do you mean by bean autowiring in spring?

454

What is ripple effect?

1086

What is root context in spring?

438

How do stubs function inside weblogic server cluster at the time of failure?

1009

What is @resource in java?

1011

What is light object mapping in hibernate?

499

How will you print number in reverse (descending) order in BST.

989

What is persistence context in hibernate?

412

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