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Java J2EE Interview Questions
Questions Answers Views Company eMail

Find the value of a specified element of the array arr[i] where 0 <= i <= n-1

Amazon,

984

Convert Binary tree to linked list.

Amazon,

1093

Convert a BST into a DLL and DLL to BST in place.

Amazon,

1116

worst case complexities of Quick sort and Merge sort.

Amazon,

1033

What do you mean by hashing?

Amazon,

1109

What is the definition of tree ?

Amazon,

1040

When can you say a graph to be a tree?

Amazon,

1085

What do you mean by constant time complexity?

Amazon,

1250

Write a program to show whether a graph is a tree or not using adjacency matrix.

Amazon,

1098

You're given a Boolean 2D matrix, can you find the number of islands?

Amazon,

1111

What steps are taken when the OS shifts from one-thread execution to another?

Amazon,

1367

What are the differences between graph and tree?

Amazon,

1122

Differentiate between overriding and overloading cases?

Amdocs,

1106

Differentiate between run time error and syntax error.

Amdocs,

1136

Discuss 2D arrays.

Amdocs,

1051


Un-Answered Questions { Java J2EE }

Write the algorithm to check the number non-leaf nodes in a tree.

1077


What are the design patterns used in spring boot? : Spring Boot

498


Explain how to render an html page using only swing.

1450


What is function overriding and overloading in java?

1112


Is ibm mq jms compliant?

823


What is the purpose of xmlaccess configuration file export.xml & exportrelease.xml?

926


Define the servlet mapping.

1059


Difference between static binding and dynamic binding?

1108


How to get the path of servlet in the server?

1013


What is the use of set in java?

1124


What is the use of double buffering in swings?

1039


What is cmp in j2ee?

913


How can we change heap size?

947


What is external entity?

990


I have a requirement Here we have a ResultSet object that will contain 50 records i need to print those recors in to a webpage(i.e; view according to MVC architectures that mybe servlet or jsp) . Here i need to print the records 10 per page that is 1 to 10 in page one and 11 to 20 in page two like remaining will be appeared in other pages we need to display those page numbers whenever we click on that page number we will go to that page and display 10 records like we will display 5 pages it is like this << 1 2 3 4 5 next >>

2968