Uploaded July 2025 | Updated September 2026, 1 week ago

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In this video, you'll learn about what Spring Boot and a backend is, why Kotlin is a great language for it and how you can build your very first hello world URL endpoint for it.

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Get the source code for this video on GitHub:
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00:00 – Intro
01:14 – What is a Back End?
02:49 – What is Spring Boot?
04:18 – Why Build Spring Boot Backends with Kotlin?
06:12 – Build Your First "Hello World" URL Endpoint