Complete Backend Development Course: From Basics to Advanced - Build Your First API: Backend Development Course

Coding Resources in this video: Website link for creating spring boot project: start.spring.io Intellij download link: https://www.jetbrains.com/idea/download Download the IntelliJ IDEA Community Edition Recommended choices for a modern backend Project: Maven (or Gradle if you prefer) Language: Java Spring Boot: 3.x (requires Java 17+; Java 21 is also great) Group: com.example Artifact: demo Dependencies: Spring Web Validation Actuator (Optional) DevTools (Optional) Lombok (convenience getters/setters; remember IDE plugin) Code: 1) Main class (Bootstraps the app) - DemoApplication package com.example.demo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication // @Configuration + @EnableAutoConfiguration + @ComponentScan public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } } 2) A simple controller - HelloController package com.example.demo.controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class HelloController { @GetMapping("/hello") public Greeting hello() { return new Greeting("Hello, Spring Boot!"); } // simple DTO (could be a record if on Java 17+) static class Greeting { private final String message; public Greeting(String message) { this.message = message; } public String getMessage() { return message; } } } Test it: Click on the Run (Green button on Intellij) & then enter following command in terminal: curl http://localhost:8080/hello Output: {"message":"Hello, Spring Boot!"} Unlock the world of backend development with this complete beginner's guide to building your first Spring Boot API! If you're new to Java backend programming or want to learn how to create RESTful APIs from scratch, this tutorial is perfect for you. Part of our comprehensive Backend Development Playlist, we'll skip the boring theory and dive straight into practical coding. In this video, you'll learn: What is Spring Boot and why it's the easiest framework for building APIs in 2025. Setting up your development environment (IntelliJ IDEA, Maven, and more). Creating a simple REST API project structure from zero. Implementing CRUD operations (Create, Read, Update, Delete) with real code examples. Handling HTTP requests, responses, and error management. Testing your API with Postman for seamless debugging. Best practices for secure, scalable APIs that employers love. Whether you're a student, aspiring developer, or switching to backend roles, this hands-on tutorial will give you the confidence to build production-ready APIs. No prior experience required—we start from the basics and build up practically! - Intro to Spring Boot APIs - Environment Setup - Creating Your First Project - Building GET/POST Endpoints - CRUD Operations in Action - Testing with Postman - Common Errors & Fixes - Next Steps in Backend Development Spring Boot Official Docs: https://spring.io/projects/spring-boot #SpringBoot #APITutorial #BackendDevelopment This video covers trending topics like microservices basics, REST API design, and Java web development. Boost your career—start building APIs today! (Word count: 428 | Characters: 2,456) Tags Spring Boot API tutorial, build first Spring Boot API, Spring Boot beginner tutorial, REST API with Spring Boot, backend development tutorial, Java API development, Spring Boot from scratch, create RESTful API, Spring Boot CRUD example, Postman API testing, Spring Boot project setup, learn Spring Boot 2025, backend programming for beginners, Java backend tutorial, API building guide, hands-on Spring Boot, Spring Boot practical coding, microservices basics, web API development, Spring Boot IntelliJ tutorial #SpringBoot, #APITutorial, #BackendDevelopment, #JavaProgramming, #RESTAPI, #CodingTutorial, #LearnToCode, #DeveloperLife, #TechTutorial, #FromScratch2. ⭐️⭐️ Don't forget to subscribe to my channel! ⭐️⭐️ ■ Subscribe URL : https://www.youtube.com/channel/UCPGnMQDh7gdkmI_IadKdmfA?sub_confirmation=1 Thank you for your support! Susbcribe @MohitChhabraTech ╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗ ║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣ ╠╗║╚╝║║╠╗║╚╣║║║║║═╣ ╚═╩══╩═╩═╩═╩╝╚╩═╩═╝ DISCLAIMER: All opinions shared on this channel are our own and don't express views or opinions of our employers. We only use our experiences and public knowledge to make our content. NO CONFIDENTIAL INFORMATION of our employers is used or shared on this channel. Build Your First Spring Boot API: Beginner Tutorial from Scratch Spring Boot API Tutorial: Create Your First REST API Step-by-Step How to Build a Spring Boot API for Beginners | Practical Guide 2025 First Spring Boot REST API: Hands-On Backend Development Tutorial Learn Spring Boot: Build Your First API Easily with Code Examples