Spring Boot ApplicationRunner Explained | The Brother of CommandLineRunner - Ep48 скачать в хорошем качестве

Spring Boot ApplicationRunner Explained | The Brother of CommandLineRunner - Ep48

In this video, we dive deep into *Spring Boot’s ApplicationRunner* — the often-overlooked brother of CommandLineRunner. You’ll learn how it works, how to implement it, real-world use cases, best practices, and when not to use it. We’ll cover everything from parsing structured command-line arguments to dependency injection, ordered execution, and how to avoid common pitfalls. Perfect for *Java developers, Spring Boot engineers, and software architects* who want to understand application startup hooks at an advanced level. 📝 Topics Discussed What is ApplicationRunner? How ApplicationRunner works internally Basic implementation with code examples Handling command-line arguments Dependency injection in ApplicationRunner Using ApplicationRunner as a `@Bean` When to use vs. when not to use ApplicationRunner Real-world use case: service registration at startup Best practices and common pitfalls Comparison with CommandLineRunner --- ⏱️ Timestamps 00:00 – Introduction 01:59 – What is ApplicationRunner? 02:52 – Basic implementation example 06:51 – Order in the starting process 09:06 - Handling Arguments 12:43 – Injecting dependencies in ApplicationRunner 13:30 – Defining ApplicationRunner as a `@Bean` 17:05 – When to use ApplicationRunner 20:19 – Multiple runners and ordered execution 21:04 – When not to use ApplicationRunner 23:12 – Real-world use case example 43:53 – Best practices 27:25 – Common pitfalls 28:33 – ApplicationRunner vs. CommandLineRunner 30:05 – Demo & Code Walkthrough #SpringBoot #SpringBootTips #SpringFramework #JavaDevelopment #JavaProgramming #JavaDeveloper #SpringBootRunner #SpringBootApplicationRunner #SpringBootCommandLineRunner #SpringBootTutorial #SpringBootBeginner #SpringBootAdvanced #MicroservicesArchitecture #MicroservicesWithSpringBoot #CloudNative #CloudComputing #EnterpriseArchitecture #SoftwareArchitecture #SoftwareEngineering #BackendDevelopment #FullStackDeveloper #DevOps #ProgrammingTutorial #CodeWithMe #JavaMicroservices #SpringBootMicroservices #SystemDesign #CleanCode #DesignPatterns #OpenSource