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 multi level inheritance in java?

1042

Can string be considered as a keyword?

1052

what do you understand by the term string with respect to java?

1055

Describe the various concepts related to object oriented programming (oop).

1050

Why char array is favored over string for the storage of passwords?

1102

List some important characteristics on jre

1091

Differentiate between vector and array list.

1080

Explain abstract class in java?

1086

What are some characteristics of interference class?

1015

Give reasons supporting that string is immutable.

963

Describe string intern() methodology

1083

What do you understand by the term polymorphism?

1098

Explain aggregation in java?

988

Is it possible to compare various strings with the help of == operator? What are the risks involved?

1094

What technique can be employed to compare two strings?

1131

Un-Answered Questions { Java J2EE }

What is passivation and activation in ejb?

968

What is servlet container. how it works?

1152

List any five features of java?

1042

Is void a data type in java?

1003

How do you remove duplicates from an array in java?

979

How to integrate sunone/netscape/iplanet with weblogic?

1010

Explain the difference between an Interface and an Abstract class?

1193

What is “dirty read” in JDBC? Which isolation level prevents dirty read?

1034

What is byte [] in java?

1038

What is the default access specifier for variables and methods of a class?

1224

What is the collection interface?

1039

What do you mean by synchronized non access modifier?

1017

What is a cookie What is the difference between session and cookie

1101

What is hibernate sql?

407

What is meant by aop in spring?

439

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