Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
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Servlets (804)
Struts (701)
JDBC (771)
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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,

1138

What data structures are used to perform recursion?

Akamai Technologies,

1052

What is a stack class in java ?

Akamai Technologies,

1104

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

Akamai Technologies,

1103

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

Akamai Technologies,

1089

Tell me about networking classes and interfaces.

Akamai Technologies,

1050

What is cookies in networking ?

Akamai Technologies,

1002

What is HttpURL connection ?

Akamai Technologies,

1053

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

Amazon,

931

Program to Find the second largest element in an array.

Amazon,

1188

Print Vertical traversal of a Binary Tree.

Amazon,

1017

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,

1335

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

Amazon,

1134

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

Amazon,

1093

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

Amazon,

1112

Un-Answered Questions { Java J2EE }

What is orm tool?

359

How are java objects passed to a method and what are native methods?

1081

How is a bean added to a spring application?

459

What is jdbc in dbms?

1040

Can I disable first level cache in hibernate?

434

where can administrator find binding information for an application?

966

How to connect html page to database using jdbc?

896

What is the difference in using Action interface and ActionSupport class for our action classes, which one you would prefer?

1183

What is the full form of ejb in java?

1073

What are java front end tools?

908

Is hibernate faster than jdbc?

333

Difference between arraylist and hashset in java?

1137

What is execute in java?

975

What is purpose of execandwait interceptor?

1094

Is ++ operator is thread safe in java?

957

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