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 unicode?

5 10067

What is operator?

3 6588

Difference between ligt weight and heavy weight?

5 28267

what is mutability?which one is mutable String or StringBuffer?and why?give examples of each which shows the mutability of each String or StringBuffer

IBM, Zenon,

4 27114

what is Thread?

6 8217

what is synchronization

3 5839

can we create a object in static block class A { static { A a=new A(); } }

Cap Gemini,

7 18666

How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?

CTS, Satyam,

4 12895

Can we access private data outside of the class directly in java programming language? Why There is no runtime checking in java, which leads to access the private data directly outside of a class?

Google,

5 11662

What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

iFlex, Sapient,

6 16239

why java not supproting multiple inheritance?

5 8213

what is the purpose of method overriding in java where v r completely re-defining a inherited method instead y can't v create a new method and define.If the question is very silly plz excuse me and do reply.Thank U!

emc2, Kumaran Systems,

7 29969

If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?

Accenture, College School Exams Tests, iFlex, NIIT,

7 16191

Why const and goto are reserved keyword in java?

1 7674

Why Wait and notify are kept in Object class although they are used only with Thread Class

Global Logic, Saksoft,

2 10959

Un-Answered Questions { Java J2EE }

Is minecraft 1.15 out?

1039

what are the different modes of archival? Explain each mode in two lines each?

994

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

1095

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

1080

i want test pattern of zylog company and some examples also

2856

What is action chaining ?

1160

Can we return resultset in java?

988

What is a constructor overloading in java?

1122

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

1059

What is a classloader in java?

1084

What is parsing in java?

1033

How to create a base64 decoder in java8?

1131

What is the difference between filters and interceptors ?

1302

How to sort array in descending order in java?

987

How is declarative handling of exceptions done in struts ?

1001

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