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?

1008

What is a lock in jdbc?

963

What do you mean by database connection pooling?

959

Explain different types of locks in jdbc?

952

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

345

What is query level cache in hibernate?

372

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

420

Describe the important interfaces of hibernate framework?

482

Explain session object in hibernate?

391

How to write composite key mapping for hibernate?

408

What is one-to-many association in hibernate?

345

Explain hibernate configuration file and hibernate mapping file?

460

Explain the transaction object in hibernate?

406

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

344

Explain some of the elements of hbm.xml?

359

Un-Answered Questions { Java J2EE }

Explain about join() method?

979

What is super in java?

1006

Explain the jar and war files in servlet?

1113

What is procedure writing?

989

What is math in java?

1072

What is the default server in spring boot? : Spring Boot

488

What is stack example?

1037

Why are the objects immutable in java?

998

Is jdk required on each machine to run a java program?

1315

What does the “final” keyword mean in front of a variable? A method? A class?

1003

What is cookies in networking ?

1013

Difference between string s= new string (); and string s = "abv";?

1227

Why do we use jdbc statements?

965

What is java beans?

1015

What are the types of java collections? : java collections

1056

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