Introduction to Java

What is Java? Java is a versatile, high-level programming language that is widely used for building platform-independent applications. Developed by Sun Microsystems in the mid-1990s, Java’s design principles emphasize portability, performance, and security. With its object-oriented structure and robust standard libraries, Java enables developers to create everything from mobile applications to large-scale enterprise systems.

Database Normalization-EN

Database normalization is a process in relational database design that organizes data to reduce redundancy and improve data integrity. Proper normalization ensures that your database is efficient, consistent, and easier to maintain. Why Normalize a Database? Normal Forms (NF) Normalization is done in steps called normal forms. Each normal form has specific rules: Example: StudentID Name Courses … Read more

SQL Joins Explained-EN

octobre 15, 2025 by Sumit In relational databases, data is often distributed across multiple tables to avoid redundancy. To combine data from different tables, SQL provides joins. Understanding joins is essential for writing efficient queries and extracting meaningful insights. What is a SQL Join? A join is a SQL operation that allows you to combine rows from two or more tables … Read more

React

What is React? React is a front-end JavaScript library. React was developed by the Facebook Software Engineer Jordan Walke. React is also known as React.js or ReactJS. React is a tool for building UI components. How does React Work? React creates a VIRTUAL DOM in memory. Instead of manipulating the browser’s DOM directly, React creates … Read more

Doubly Linked List

Doubly linked list is a complex type of linked list in which a node contains a pointer to the previous as well as the next node in the sequence. Therefore, in a doubly linked list, a node consists of three parts: node data, pointer to the next node in sequence (next pointer) , pointer to … Read more

Singly Linked List

A singly linked list is a linear data structure in which the elements are not stored in contiguous memory locations and each element is connected only to its next element using a pointer. Singly linked list can be defined as the collection of ordered set of elements. The number of elements may vary according to need of … Read more

Backend Devlopment

Backend is the server side of a website. It is part of the website that users cannot see and interact with. It is the portion of software that does not come in direct contact with the users. It is used to store and arrange data. Backend Development Roadmap Popular Backend Technologies 1. Knowledge of Web … Read more

Linked list

A Linked List is, as the word implies, a list where the nodes are linked together. Each node contains data and a pointer. The way they are linked together is that each node points to where in the memory the next node is placed. Linked Lists A linked list consists of nodes with some sort of data, … Read more

Arrays

An array data structure is a fundamental concept in computer science that stores a collection of elements in a contiguous block of memory. It allows for efficient access to elements using indices and is widely used in programming for organizing and manipulating data. Why Do You Need an Array in Data Structures? Let’s suppose a class consists … Read more

Frontend Devlopment

The part of a website where the user interacts directly is termed as front end. It is also referred to as the ‘client side’ of the application. Popular Frontend Technologies HTML: HTML stands for HyperText Markup Language. It is used to design the front end portion of web pages using markup language. It acts as a … Read more