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

Explain jdk, jre and jvm?

974

What is the difference between this() and super() in java?

1040

What is an infinite loop in java? Explain with an example.

1037

What is a package in java? List down various advantages of packages.

1277

What is the difference between a local variable and an instance variable?

1105

Define a java class.

1 1437

Why pointers are not used in java?

1125

List down the methods and interfaces of collection class in java.

984

What is multiple inheritance? Is it supported by java?

964

What is collection class in java?

1006

Differentiate between the constructors and methods in java?

944

What are the main concepts of oops in java?

4 1743

Why java strings are immutable in nature?

1070

What are the autowiring modes?

429

Is there a case when finally will not execute?

1007

Un-Answered Questions { Java J2EE }

Why are lists ordered in java?

1010

What are different order status?

879

What are action classes in struts?

966

What is Java Shutdown Hook?

1197

How can we pass argument to a function by reference instead of pass by value?

1111

What is @controller annotation in spring mvc?

499

What are the life cycle methods of the servlet?

1086

What is difference between synchronize and concurrent collection in java?

1071

What are the main steps in java to make JDBC connectivity?

1012

I tried to run two of the applets in the examples directory of the distribution? : BEA Weblogic

923

What is servlet context in spring?

549

Write a program to print fibonacci series up to count 10.

902

what do you mean by java annotations?

1130

What is array sorting in java?

1055

What is time complexity algorithm?

1045

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