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 are access specifiers in java ?

Akamai Technologies,

1056

What data structures are used to perform recursion?

Akamai Technologies,

994

What is a stack class in java ?

Akamai Technologies,

1053

What is method overloading in JAVA? Why is it not present in C ?

Akamai Technologies,

1041

What is the difference between quicksort & mergesort? When should they be used? What is their running time?

Akamai Technologies,

1029

Tell me about networking classes and interfaces.

Akamai Technologies,

1006

What is cookies in networking ?

Akamai Technologies,

969

What is HttpURL connection ?

Akamai Technologies,

987

Lowest Common ancestor in a Binary Search Tree and Binary Tree.

Amazon,

896

Program to Find the second largest element in an array.

Amazon,

1115

Print Vertical traversal of a Binary Tree.

Amazon,

981

Make a data structure and implement an algorithm to print all the files in a directory. (The root directory can have sub-directories too.)

Amazon,

1286

Is {a, n, d} a palindrome? If you are given a random string, is it a palindrome or not?

Amazon,

1053

Add a value x to array from index l to r where 0 <= l <= r <= n-1

Amazon,

1029

Implement a stack with push (), pop() and min() in O(1) time.

Amazon,

1037

Un-Answered Questions { Java J2EE }

What is swing in java with example?

932

What is servlet in spring?

376

Is age a discrete variable?

920

What do you mean by spring mvc framework?

393

Why session is not thread safe in hibernate?

325

What are the steps involved in establishing a connection using jdbc in java?

928

What are the two ways of implementing multi-threading in java?

1422

Which jms standard interface defines the methods to create the different types of messages?

791

What is the purpose of using the java bean?

1000

What is hotjava?

954

Whats is a starter store?

829

What is the full form of ejb in java?

988

Can we extend private class in java?

932

How client side validation is enabled on a jsp form?

1010

What are the important functions of filters?

1066

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