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

How objects are stored in java?

1105

Can a class have multiple constructors?

1137

Describe different states of a thread.

1059

What are the various access specifiers for java classes?

1121

Can we call the constructor of a class more than once for an object?

1147

Is string a data type in java?

1070

I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

1155

Can we have two methods in a class with the same name?

1119

In the below example, what will be the output?

1093

What is the default access specifier for variables and methods of a class?

1265

What are the two ways of implementing multi-threading in java?

1 1592

What's the difference between comparison done by equals method and == operator?

1026

How infinite loop is declared?

1072

What is default switch case? Give example.

1068

What is the difference between double and float variables in java?

1214

Un-Answered Questions { Java J2EE }

What is a hibernate template class?

450

What is classname class in java?

1143

What is compiler and what its output.

1204

What is skeleton and stub?

1175

How large is a boolean?

1070

What are different types of second level cache?

425

What is version property in hibernate?

525

How do I use a less than or greater than on a message selector in ejb-jar.xml?

1030

Is node a data type in java?

1065

How many bits are in a sentence?

1279

Does kafka support jms?

924

Which containers use a border Layout as their default layout in swing?

1091

What are data structures in java?

1034

What is different between session and sessionfactory in hibernate? (Detailed answer)

402

What type of transaction management spring support?

612

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