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,

1130

What data structures are used to perform recursion?

Akamai Technologies,

1041

What is a stack class in java ?

Akamai Technologies,

1103

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

Akamai Technologies,

1096

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

Akamai Technologies,

1083

Tell me about networking classes and interfaces.

Akamai Technologies,

1042

What is cookies in networking ?

Akamai Technologies,

997

What is HttpURL connection ?

Akamai Technologies,

1041

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

Amazon,

926

Program to Find the second largest element in an array.

Amazon,

1177

Print Vertical traversal of a Binary Tree.

Amazon,

1010

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,

1327

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

Amazon,

1125

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

Amazon,

1089

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

Amazon,

1102

Un-Answered Questions { Java J2EE }

How to use limit in hibernate query?

442

Does spring boot need web xml? : Spring Boot

430

Explain about message listeners?

964

Difference between method overloading and method overriding in java ?

1072

What is purchase condition and reward in promotions?

929

What is port number in java?

1030

Why is singleton class used?

1030

How is aop implemented in spring?

426

What is the use of web xml in struts2?

902

What is dao and pojo?

402

Why awt is used in java?

878

How to pass arraylist to stored procedure in java?

1154

What is jms publisher?

811

What is dbcontext and dbset?

408

Is string is a keyword in java?

967

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