---
title: "Discussion on \"Mastering Spring Framework:1.0\" | Hashnode"
description: "Discussion on \"Mastering Spring Framework:1.0\". Introduction\n\nProblems with Traditional Java\n\nTight Coupling Explained\n\nWhy Spring Was Needed\n\nWhat is a Bean?\n\nIoC Container (ApplicationContext)\n\nDependency Injection (DI)\n\nTypes of Dependency Injection\n\nPractical Example (Payment System)\n\nMultiple..."
url: "https://hashnode.com/posts/mastering-spring-framework10/69443d176e4f3bee6b7c7eaa"
---

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# [Mastering Spring Framework:1.0](https://springboot-series.hashnode.dev/mastering-spring-framework10?utm_source=hashnode&utm_medium=feed)

Introduction Problems with Traditional Java Tight Coupling Explained Why Spring Was Needed What is a Bean? IoC Container (ApplicationContext) Dependency Injection (DI) Types of Dependency Injection Practical Example (Payment System) Multiple...

Dec 18, 2025 · 10 min read · springboot-series.hashnode.dev  
Updated Jan 6  
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