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

Why do we need hashmap in java?

1129

How does queue work in java?

1004

Why constructor has no return type?

1106

Why for each loop is used?

1028

What are the loops in java?

1005

How to use arraylist in java netbeans?

1059

Why collection is called framework in java?

1009

How to print an arraylist in java?

1109

Why vector is used in java?

1046

Why set do not allow duplicates in java?

1122

Is vector synchronized in java?

1035

Can set contain duplicates?

1020

Can we create our own daemon thread?

1000

Why stringbuilder is not thread safe in java?

1029

Is string is a keyword in java?

989

Un-Answered Questions { Java J2EE }

What is pointcut in spring?

382

What type of messaging is provided by JMS?

938

What are the 5 steps of orm?

350

What is ejbdoclet?

964

how to connect to database to the remote system?

933

Does list allow duplicates in java?

947

What class is the top of the awt event hierarchy?

1127

Explain deployment descriptors?

1099

What is light object mapping in hibernate?

506

What is the purpose of @results annotation?

1321

What is the hibernate life cycle of an entity?

415

Does servlet have main method?

1208

What is primary key in er diagram?

408

Which collection is thread safe in java?

1007

How do you square a number?

1299

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