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 releases of Java technology are currently available? What do they contain?

1 2720

What restrictions are placed on method overloading and method overriding?

5 31715

What are the standards to place package statement within a source code file?

1 3703

What is the return type of read()?

3 7155

What is the return type of readLine() when end of a file is reached?

2 11627

What for read() function?

3 9064

What happens to the Exception object after handling an exception?

1 2436

What is stop(), suspend(), resume() method?

3 25418

What are MalformedURLException and UnknownHost Exceptions and whey they will be thrown?

2 4884

Under what circumstances an object reference be cast to an interface reference?

3 8351

When do you create an index?

2094

When does Exception occurs?

3 6421

In what circumstances, compiler will supply a default constructor for a class?

4 6711

When is an object in the mean to garbage collection?

3 6530

What are init(), start() methods and whey they are called?

2 8747

Un-Answered Questions { Java J2EE }

What is the difference between equals() and == in java?

1023

What do you know about validation plugin ?

1009

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2409

How to create a base64 decoder in java8?

1119

Write a program to print count of empty strings in java 8?

1071

What is latest hibernate version?

465

How is declarative handling of exceptions done in struts ?

990

Realized?

2239

What are the contents on web.xml in struts application ?

1047

What is difference between @controller and @restcontroller in spring?

520

What is an object in java and how is it created?

1110

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2244

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2651

explain different ways of using thread? : Java thread

1068

What is action chaining ?

1149

For More Un-Answered { Java J2EE } Questions Click Here