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 an arraylist in java?

1174

What is intern method in java?

1140

What is string literal in java?

1109

Why hashmap is used in java?

1149

What is java volatile?

1148

What is a buffer in computer?

1069

What is the function of static in java?

1168

Can we sort hashmap in java?

1006

Is cout buffered?

1245

What are voids?

1029

Does list allow duplicates in java?

991

Can you add null to a list java?

1118

Is null a keyword in java?

1029

What is a short in java?

1141

What is the use of arraylist class in java?

1144

Un-Answered Questions { Java J2EE }

What are the core classes of struts?

1109

How hibernate proxy helps in lazy loading?

467

Can we see objects cached in dynacache?

936

Why do we use threads in java?

1184

What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations? When would I use one over the other?

1252

Does spring perform weaving at compile time?

478

What technique is carried out to find out if a particular string is empty?

1071

How many rowset are available in jdbc?

1170

Is passing by reference faster?

1053

What is java spring?

497

Explain deployment descriptors?

1147

How to check jdbc driver version in websphere?

1181

What is the use of @bean annotation?

497

What do you mean by an object in java?

1196

What is advice?

452

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