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 a class in java?

1024

How to display all the prime numbers between 1 and n (n is the number, get the input from user)

1000

How to find the largest value from the given array.

1040

Difference between static binding and dynamic binding?

1124

What are the considerations to be made in case of loops in java ?

1068

Which interface does java.util.hashtable implement?

1211

What is the difference between comparable and comparator in java.util pkg?

1136

Which sorting algorithm is used by collections.sort() in java ?

947

Should we create system software ( e.g operating system ) in java ?

1064

Which java collection class can be used to maintain the entries in the order in which they were last accessed?

1066

How is hashset maintained in memory by java ?

1175

What is the use of hashcode in java ?

1119

What is the difference between jpa and hibernate?

550

What are the advantages and disadvantages of sockets?

1089

What is the Difference between socket and servlet?

1279

Un-Answered Questions { Java J2EE }

How many threads can java run?

1133

How do you remove duplicates from an array in java?

979

What is platform independent in java?

981

why Interface used?

999

Explain about transient variables in java?

1113

What does the spring bean lifecycle look like?

492

what is websphere commerce?

879

How does java pattern compile work?

991

What are memory tables?

1111

Why do I need to declare the type of a variable in java?

1108

Explain ejbhome and ejbobject in ejb?

1094

How to upload struts file?

1038

What is executequery in java?

908

What is set string?

1211

What is the purpose of object oriented programming?

1005

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