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,

1208

What data structures are used to perform recursion?

Akamai Technologies,

1110

What is a stack class in java ?

Akamai Technologies,

1158

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

Akamai Technologies,

1157

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

Akamai Technologies,

1146

Tell me about networking classes and interfaces.

Akamai Technologies,

1101

What is cookies in networking ?

Akamai Technologies,

1055

What is HttpURL connection ?

Akamai Technologies,

1101

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

Amazon,

990

Program to Find the second largest element in an array.

Amazon,

1266

Print Vertical traversal of a Binary Tree.

Amazon,

1067

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,

1382

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

Amazon,

1204

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

Amazon,

1145

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

Amazon,

1166

Un-Answered Questions { Java J2EE }

Is main a function?

1134

In Java list the methods that can be overridden?

1060

What is jms in spring?

899

Write a program to print fibonacci series

1247

What is the difference between close coupling and loose coupling?

440

how to protect servlets in java ee applications?

966

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

1139

What are the limitations with auto wiring?

486

Which is the best way of injecting beans and why ?

432

What is the default cache in hibernate?

551

What does @component do in spring boot? : Spring Boot

479

What is the use of jtable?

1177

What is @manytoone fetch fetchtype lazy?

421

What are profiles in spring?

466

Explain the Command line utilities in wls?

1066

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