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Difference Between Supervised and Unsupervised Learning
Based on the diagram: Supervised Learning (left side): Starts with labeled data (each input has a known output or category). The data...

coding z2m
Sep 1, 20252 min read


Introduction to Unsupervised Learning
Unsupervised learning is a type of machine learning where an algorithm learns patterns and structures from unlabeled data —that is, data...

coding z2m
Sep 1, 20251 min read


Supervised Learning: Teaching Machines with Labeled Data
🔹 What is Supervised Learning? Supervised learning is a type of machine learning where the algorithm is trained on a dataset that...

coding z2m
Aug 27, 20252 min read
Understanding AI, Machine Learning, and Deep Learning
🔹 Relationship (Hierarchy) AI → Big umbrella: all intelligent systems. ML → Subset of AI: systems that learn from data. DL → Subset...

coding z2m
Aug 27, 20251 min read
Mastering Polymorphism in Java: Real-World Payment System Example with Deep Dive
1. What Is Polymorphism? Polymorphism means "many forms" — the ability of an object to take on multiple behaviors through a common...

coding z2m
Jul 2, 20253 min read
Core Mono / Flux Operators - Building Spring Boot WebFlux API "reactive-user-service" (Reactive Data Pipeline )
Covers: map(), filter(), flatMap(), zip(), combineLatest(), timeout() These operators help: Transform data (map, flatMap) Filter streams...

coding z2m
Jul 1, 20252 min read
Project Reactor Basics — Mono<T> and Flux<T>
🔹 Mono<T> and Flux<T> — the core types of Project Reactor. These are the reactive building blocks in Spring WebFlux , WebClient , and...

coding z2m
Jul 1, 20252 min read
Push vs Pull — Imperative vs Declarative Thinking
This is the mindset shift at the heart of Reactive Programming . 🧠 Why You Need to Understand This Before you master Mono, Flux, or...

coding z2m
Jul 1, 20252 min read
Reactive Programming using Spring Boot and Project Reactor with MongoDB
✅ Your Goals: Requirement What It Means ✔ Status 🎯 Interview-Focused Understand concepts clearly and be able to explain/react during...

coding z2m
Jul 1, 20252 min read
What is Reactive Programming? - Building "ReactiveUserService" (A reactive service managing users)
💡 Reactive Programming is: Asynchronous, non-blocking, event-driven programming with backpressure support , ideal for handling...

coding z2m
Jul 1, 20256 min read
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