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?

1034

Can a class have multiple constructors?

1060

Describe different states of a thread.

1005

What are the various access specifiers for java classes?

1058

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

1096

Is string a data type in java?

1021

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?

1101

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

1053

In the below example, what will be the output?

1030

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

1205

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

1 1509

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

972

How infinite loop is declared?

1021

What is default switch case? Give example.

1007

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

1155

Un-Answered Questions { Java J2EE }

Name some useful annotations introduced in Struts2?

976

What do you know the spring mvc interceptor and how is it used?

431

What is meant by distributed application? Why are we using that in our application?

947

What are the services in RMI ?

2381

Which is better spring jdbc or hibernate?

430

What is static class

1117

Can classes declared using the abstract keyword cab be instantiated?

1049

What is JDBC Connection isolation levels?

1084

What is abstract schema?

1028

What is class and its types?

1042

What is the need of session tracking in web application?

1034

Explain the concept of ssi ?

1071

Why local variables are stored in stack?

980

Can vector have duplicates in java?

951

Give a brief description of java socket programming?

964

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