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 the full form of jdbc and what is its purpose?

1 1074

What is a lock in jdbc?

1 1022

What do you mean by database connection pooling?

1 1010

Explain different types of locks in jdbc?

1 1015

Describe the method used to create an hql query and sql query?

1 414

What is query level cache in hibernate?

1 441

How to create two same tables in different schema’s by using single configuration file?

1 512

Describe the important interfaces of hibernate framework?

1 580

Explain session object in hibernate?

1 457

How to write composite key mapping for hibernate?

1 479

What is one-to-many association in hibernate?

1 435

Explain hibernate configuration file and hibernate mapping file?

1 528

Explain the transaction object in hibernate?

1 475

Which annotation is used to declare a class as a hibernate bean ?

1 418

Explain some of the elements of hbm.xml?

1 424

Un-Answered Questions { Java J2EE }

What is a constructor overloading in java?

1119

what are the different modes of archival? Explain each mode in two lines each?

994

Differentiate between static and non-static methods in java.

1115

How can you inject java collection in spring?

501

Can we return resultset in java?

985

How is declarative handling of exceptions done in struts ?

999

Realized?

2251

What do you mean by an interface in java?

1095

Explain public static void main(string args[]) in java.

1063

What is action chaining ?

1158

How to create a base64 decoder in java8?

1129

What is parsing in java?

1025

explain different ways of using thread? : Java thread

1077

Write a program to find the whether a number is an Armstrong number or not?

1095

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2859

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