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 the impact of declaring a method as final?

1017

What is default constructors?

996

What is the major difference between linkedlist and arraylist?

1037

How many ways can an argument be passed to a subroutine and explain them?

1024

What is a platform?

1069

What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?

1112

What are the types of casting?

1061

What is the difference between instanceof and isinstance?

1058

How can you say java is object oriented?

1065

What are access specifiers available in java?

1003

What is java and their uses?

1033

You can create a string object as string str = “abc”; why cant a button object be created as button bt = “abc”;? Explain

988

What is codebase?

998

What is the file type?

1020

Why do people says “java is robust”?

1029

Un-Answered Questions { Java J2EE }

How can the issue associated with high CPU usage be solved?

1039

Which are the elements of hibernate architecture?

408

What is jpa and spring data jpa?

418

How do you declare a destructor in java?

995

What is the difference between a window and a frame in java programming?

1134

describe method overloading

1014

Can we use jms for sending automated e-mails?

881

What is used to display the intermediate result in an interceptor?

951

How do you override a method in java?

1002

What is a thread dump?

1009

How can we make copy of a java object?

1148

What is a Integration Flow Designer?

914

What is an advice? What are the different types of advices?

413

Which of the following are subclasses of java awt component?

942

What's the servlet interface?

1078

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