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Difference between Abstract Class and Concrete Class in Java

Abstract Class: An abstract class is a type of class in Java that is declared by the abstract keyword. An abstract class cannot be instantiated… Read More

Java-Abstract Class and Interface

Java-Classes

Java-Object Oriented

Difference Between

Java

Maximum of all Subarrays of size k using set in C++ STL

Given an array of size N and an integer K, the task is to find the maximum for each and every contiguous sub-array of size… Read More

Algorithms

Competitive Programming

DSA

Technical Scripter

How to Create a new group in Linux | groupadd command

In the Linux operating system, user management is a crucial aspect of system administration. One of the fundamental tasks is creating and managing user groups.… Read More

linux-command

Linux-system-commands

Picked

Linux-Unix

Socket Programming in C#

Socket programming is a way of connecting two nodes on a network to communicate with each other. Basically, it is a one-way Client and Server… Read More

C#

Programming Language

Find the sum of non-prime elements in the given array

Given an array arr[] and the task is to print the sum of the non-prime elements from the array. Examples: Input: arr[] = {1, 3,… Read More

Prime Number

sieve

Arrays

DSA

Maximum length subarray with LCM equal to product

Given an arr[], the task is to find the maximum length of the sub-array such that the LCM of the sub-array is equal to the… Read More

GCD-LCM

Technical Scripter 2018

Algorithms

DSA

Technical Scripter

practical Byzantine Fault Tolerance(pBFT)

Practical Byzantine Fault Tolerance is a consensus algorithm introduced in the late 90s by Barbara Liskov and Miguel Castro. pBFT was designed to work efficiently… Read More

Information-Security

Technical Scripter 2018

Blockchain

Technical Scripter

CSS grid-row Property

The grid-row property in CSS is used to specify the size and location in a grid layout. It is the combination of grid-row-start and grid-row-end… Read More

CSS-Properties

Picked

Technical Scripter 2018

CSS

Technical Scripter

Web Technologies

Introduction to Particle Swarm Optimization(PSO)

Background of Particle Swarm Optimization Particle Swarm Optimization characterized into the domain of Artificial Intelligence. The term ‘Artificial Intelligence’ or ‘Artificial Life‘ refers to… Read More

C#

C# | Dictionary.Item[] Property

This property is used to get or set the value associated with the specified key in the Dictionary. Syntax: public TValue this[TKey key] { get;… Read More

CSharp Dictionary Class

CSharp-Generic-Namespace

C#

Register Allocations in Code Generation

Registers are the fastest locations in the memory hierarchy. But unfortunately, this resource is limited. It comes under the most constrained resources of the target… Read More

Technical Scripter 2018

Computer Subject

Technical Scripter

JSTL | JSP Standard Tag Library

Introduction: Initially, Web designers used scriptlets in JSP pages to generate dynamic content. This resulted in readability issues and also made it difficult to maintain… Read More

Java-JSP

Web Technologies

How to include() all PHP files from a directory ?

Given list of PHP files in a directory and the task is to include all files from a directory. In order to include all PHP… Read More

Picked

Technical Scripter 2018

PHP

PHP Programs

Technical Scripter

Web Technologies

Retrieve the position (X,Y) of an element using HTML

The position of (X, Y) means the coordinate of an element at the top-left point in a document. X represents the horizontal position and Y… Read More

Picked

Web Technologies

Largest sub-set possible for an array satisfying the given condition

Given an array arr[] and an integer K. The task is to find the size of the maximum sub-set such that every pair from the… Read More

cpp-unordered_set

C++ Programs

Competitive Programming

DSA

Greedy

How to merge two PHP objects?

Given two objects of same class and the task is to merge both objects into single object.Approach 1: Convert object into data array and merge… Read More

PHP-OOP

Picked

PHP

PHP Programs

Web Technologies

time command in Linux with examples

time command in Linux is used to execute a command and prints a summary of real-time, user CPU time and system CPU time spent by… Read More

linux-command

Linux-system-commands

Linux-Unix

Technical Scripter

Smallest perfect square divisible by all elements of an array

Given an array arr[], the task is to find the smallest perfect square which is divisible by all the elements of the given array. Examples: … Read More

divisibility

GCD-LCM

maths-perfect-square

Arrays

DSA

Kreeti technologies Interview Experience (On-Campus)

Round 1:It was based on 4 main areas that are 1. C language 2. English comprehension 3. Aptitude 4. General awareness This round test your… Read More

Experiences

Interview Experiences

Print all integers that are sum of powers of two given numbers

Given three non-negative integers x, y and bound, the task is to print all the powerful integer ? bound in sorted order. A powerful integer is… Read More

cpp-set

maths-power

Self-Balancing-BST

DSA

Mathematical