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

Can we call a non-static method from inside a static method?

1014

Why strings in java are called as immutable?

1003

What is the difference between an inner class and a sub-class?

1036

Is it compulsory for a try block to be followed by a catch block in java for exception handling?

1026

How can we use primitive data types as objects?

971

Can variables be used in java without initialization?

1103

What is an infinite loop?

2 1298

What is an infinite loop? How infinite loop is declared?

1126

Can we use a default constructor of a class even if an explicit constructor is defined?

1118

What's the purpose of static methods and static variables?

1119

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

1044

When the constructor of a class is invoked?

1053

What is ternary operator? Give an example.

1099

How an object is serialized in java?

1008

When we should use serialization?

1048

Un-Answered Questions { Java J2EE }

What is the bean life cycle in spring bean factory container?

388

What are the main differences between notify and notifyAll in Java?

1108

What is function and method in java?

971

What is overriding in java?

1091

Whenever we see a very slow response from server-side, then what all thing we need to look into?

993

How to create a thread in java?

1155

when a request is generated from apache tomcat 5.5 and goes to oracle 10g or mysql,,, how the oracle or mysql reads the request as apache is a web server and oracle 10g is application server? when the oracle 10g provides response, how the apche tomcat reads it???

2181

how to develop the submit and search operations in single jsp using struts?

3011

Is space a char?

960

Explain about compute Grid?

854

What are the type of protocols used in httpservlet?

1101

What the core interfaces are of hibernate framework?

412

what is websphere is mq?

875

What are variable arguments or varargs?

1024

How does sorting on message priority work? : BEA Weblogic

970

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