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

Difference between object instantiation and construction ?

1 1124

Difference between this() and super() ?

1 1205

What are different ways of object creation in java ?

1 1174

How can we create objects if we make the constructor private ?

1 1079

What is a final class ?

1 1292

Explain inner classes ?

1 1187

Can static method access instance variables ?

1 1194

What are the methods of object class ?

1 1117

What are different types of inner classes ?

1 1113

What is stringjoiner ?

1 1019

Difference between final and effectively final ?

1 1185

Difference between abstract and concrete class ?

1 1282

Can we create an object if a class doesn't have any constructor ( not even the default provided by constructor ) ?

1 1149

Can we access instance variables within static methods ?

1 1167

What is the use of optional ?

1 1102

Un-Answered Questions { Java J2EE }

What is lazy class?

470

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

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

520

How to create a base64 decoder in java8?

1119

What is action chaining ?

1148

Write a program to find the whether a number is an Armstrong number or not?

1085

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

1110

Realized?

2239

How to sort array in descending order in java?

976

Differentiate between static and non-static methods in java.

1106

What is latest hibernate version?

465

What is a constructor overloading in java?

1113

How is declarative handling of exceptions done in struts ?

990

What do you mean by an interface in java?

1084

What is parsing in java?

1022

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