Project Creation and First Hello World App - Spring Boot 4 Basics With Kotlin

Learn the fundamentals of Spring Boot backend development using Kotlin in this 19-minute tutorial that covers essential concepts and practical implementation. Discover what a backend is and how it functions within web applications, then explore Spring Boot as a powerful framework for building Java-based applications with minimal configuration. Understand why Kotlin serves as an excellent language choice for Spring Boot development, offering concise syntax, null safety, and seamless Java interoperability. Follow along as you set up your development environment using IntelliJ IDEA and Spring Initializr, then build your first functional "Hello World" URL endpoint from scratch. Master the basic project structure, configuration, and routing concepts that form the foundation of Spring Boot applications, while gaining hands-on experience with Kotlin's syntax in a backend context.