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Static, Final, and Initialization Blocks

Table of Contents Introduction to Static, Final, and Initialization Blocks The Static Keyword in Java Static Variables Static Methods Static Blocks The Final Keyword in Java Final Variables Final Methods Final Classes Initialization Blocks...

Abstraction and Interfaces in Java

Table of Contents Introduction to Abstraction Types of Abstraction in Java Abstract Classes Interfaces Abstract Classes: Deep Dive Syntax and Usage Abstract vs Concrete Methods Constructors and Abstract Classes Interfaces: Deep Dive Syntax and...

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Methods, Overloading, and Recursion in Java

Table of Contents Introduction to Methods in Java Declaring and Calling Methods Method Parameters and Return Types Method Overloading Recursion in Java Advantages and Use Cases of Recursion Stack Memory and...

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Strings in Java – String Class, Immutable Nature, StringBuilder and StringBuffer

Table of Contents Introduction to Strings in Java The String Class String Declaration and Initialization String Immutability Common String Methods String Comparison String Concatenation and Performance StringBuilder vs StringBuffer Real-world Use Cases Summary and...

Arrays in Java – Single & Multi-dimensional Arrays, Array Operations

Table of Contents What Are Arrays? Advantages of Using Arrays Declaring and Initializing Arrays Accessing and Modifying Elements Iterating Through Arrays Multi-dimensional Arrays Common Array Operations Arrays vs ArrayList Real-world Examples Summary and What’s...

Loops in Java – for, while, do-while, break and continue

Table of Contents Introduction to Loops The for Loop The while Loop The do-while Loop Loop Control Statements: break and continue Infinite Loops Nested Loops Real-World Examples Summary and What’s Next 1. Introduction to...

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Modern JavaScript – ES6+ Features You Should Know

Unlocking the Power of ES6+ in JavaScript With the release of ECMAScript 2015 (commonly known as ES6) and subsequent updates (ES7 through ES2024+), JavaScript has...

Scope, Hoisting & Closures in JavaScript

Understanding Scope, Hoisting, and Closures in JavaScript These three concepts — scope, hoisting, and closures — form the foundation of how JavaScript code is interpreted...

Working with Dates and Times in JavaScript

Mastering Dates and Times in JavaScript Handling dates and times is a common task in any application — whether you're showing timestamps, calculating durations, or...

Numbers and Math in JavaScript

Working with Numbers and Math in JavaScript Numbers are one of the core data types in JavaScript and are heavily used in everything from UI...

Strings and Template Literals in JavaScript

Mastering Strings and Template Literals in JavaScript Strings are one of the most commonly used data types in JavaScript. Whether you’re displaying messages, handling user...

Object-Oriented JavaScript (OOP in JS)

Mastering Object-Oriented Programming in JavaScript Object-Oriented Programming (OOP) is a powerful programming paradigm that focuses on organizing code into reusable and logical components called objects....

Working with the JavaScript DOM (Document Object Model)

Introduction to the DOM in JavaScript The Document Object Model (DOM) is a programming interface provided by the browser that allows developers to interact with...

Operators in JavaScript

Understanding Operators in JavaScript Operators are fundamental tools used in JavaScript to perform operations on variables and values. These operations can involve mathematical calculations, comparisons,...

Data Types in JavaScript

Understanding JavaScript Data Types JavaScript is a loosely typed or dynamically typed language, meaning that you do not have to declare the data type of...

String Manipulation in JavaScript

Understanding Strings in JavaScript In JavaScript, a string is a sequence of characters used to represent text. Strings are one of the most commonly used...

Arrays in JavaScript

Understanding Arrays in JavaScript In JavaScript, arrays are a type of object used to store multiple values in a single variable. Arrays are ordered collections...

Objects in JavaScript

Understanding Objects in JavaScript In JavaScript, objects are a collection of key-value pairs, where each key is a string (or Symbol), and each value can...