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Visual representation of REST API communication between client and server

REST API

This post introduces REST APIs and their fundamental concepts. If you need a refresher on HTTP basics or web fundamentals, understanding those concepts will help you get the most out of this gui...

MySQL database system with interconnected tables and web applications

MySQL

This post builds on SQL fundamentals. If you need a refresher on SQL basics, check out our post on Structured Query Language first! What is MySQL? MySQL is the world’s most popular open-sourc...

PostgreSQL database system with interconnected tables and data relationships

PostgreSQL

This post builds on SQL fundamentals. If you need a refresher on SQL basics, check out our post on Structured Query Language first! What is PostgreSQL? PostgreSQL (often called “Postgres”) is...

Illustration showing the three pillars of software development - KISS, DRY, and YAGNI

Development Principles

This comprehensive guide covers three essential software development principles that every developer should master. Understanding KISS, DRY, and YAGNI will transform how you approach coding chal...

MongoDB database represented with document-based data storage and flexible schema design

MongoDB

This post introduces MongoDB, a NoSQL database. If you need a refresher on traditional SQL databases, check out our post on SQL first! NoSQL Before we dive into MongoDB specifically, let’s ta...

Visual representation of design patterns showing interconnected software components

Design Patterns

This post introduces design patterns, reusable solutions to common problems in software design. If you need a refresher on Object-Oriented Programming concepts, check out our post on Object-Orie...

Laptop with code under a magnifying glass highlighting a bug, next to a testing checklist.

Software Testing

Introduction Let’s explore the fundamentals of software testing, guided by collaborative insights, clean structure, and practical test code! Testing is a process of evaluating a software applicat...

Visual representation of software development methodologies showing different approaches to building software.

Development Methodologies

This post introduces software development methodologies, the frameworks that help teams plan, organize, and deliver software projects successfully. What Are Development Methodologies? When yo...

A visual representation of object-oriented programming concepts in action, showing interconnected objects, classes, and their relationships in a practical software development context.

Object-Oriented Programming in Practice

This post explores the practical application of object-oriented programming principles in real-world software development scenarios using Java. Object Oriented In Practice When we talk about ...

Live Coding

Coding Challenges

This post focuses on writing code in Java. If you feel you’re lacking in the basics, we highly recommend reading these posts first: Java Programming Language, Data Structures, Big O Notation ...