@iamgautam03

The Global Interpreter Lock (GIL)

Mar 27 · 3 min read · In this article, I will explain how Python behaves, particularly the Global Interpreter Lock (GIL). First, let's look at the following example: import threading import time NUM_THREADS = 4 N = 2000

Strategy Design Pattern

Mar 17 · 3 min read · In this article, I will explain the Strategy Design Pattern in a simple and efficient way. First, let’s look at the code below: class PaymentService { public void pay(String type) { if (ty

The Observer Design Pattern

Jan 7 · 4 min read · In this article, I will explain the Observer Design Pattern simply and understandably. I will use a hospital patient monitor system as an example. Picture a hospital room. One patient. One heart monitor. But several different things care about that d...

The Prototype Design Pattern

Dec 18, 2025 · 4 min read · Have you ever heard of the Prototype Design Pattern? Today, I will explain this in an easy-to-understand manner. First, let’s take the following example: You are creating a team-based first-person shooter game where there will be one real player and ...

The Factory Design Pattern

Dec 1, 2025 · 4 min read · In this article, I will explain the factory design pattern in a simple and straightforward manner. First, let’s look at one example and see what the problem is: public class CoffeeService { public Drink prepareDrink(String type) { if (typ...