Spring Boot Learning Path

Learn Spring Boot: Build Production-Grade Java Backends

Spring Boot powers most Java backend jobs in Hyderabad and beyond. This path takes you from the IoC container and dependency injection to REST APIs, validation and Spring Data JPA — structured the way real teams build services, with runnable code and interview notes throughout.

18 Tutorials
4 Topic Clusters
Beginner
Free Learning

Spring Boot Roadmap

Follow the Path in Order

01

Spring Core 8 tutorials

IoC, dependency injection and beans — the container everything else sits on.

beginner@Autowired in Spring: How Autowiring Really WorksWhat @Autowired actually does under the hood, the three injection styles, how Spring resolves by type, and how to break ties with @Qualifier.6 min read beginnerSpring Bean Lifecycle: From Instantiation to DestructionThe exact order Spring follows to create, wire, initialise and destroy a bean, plus the callbacks you can hook into at each phase.6 min read beginnerSpring Bean Scopes: Singleton, Prototype and Web ScopesSingleton or prototype? Request or session? Spring's bean scopes decide how many instances exist and how long they live. Here is each scope, when to use it, and the traps.7 min read beginnerDependency Injection in Spring: Constructor vs Setter vs FieldSpring offers three ways to inject dependencies — constructor, setter and field. This guide shows all three, why teams standardise on constructor injection, and the traps.6 min read beginnerInversion of Control (IoC) in SpringIoC is the single idea Spring is built on: your objects stop creating their own dependencies and the container takes over. Here is what that really means, with code.6 min read beginnerSpring Beans: Definition, Creation and WiringA Spring bean is just an object the container owns. This guide shows the two ways to define beans, how they get named and wired, and the stereotype annotations you will use daily.6 min read beginnerSpring vs Spring Boot: What's the DifferenceSpring is the framework; Spring Boot is the opinionated layer that removes its configuration burden. Here is exactly where one ends and the other begins.5 min read beginnerWhat is the Spring Framework?Spring is the container that wires your Java objects together so you write business logic instead of plumbing. Here is what it actually does and why it took over enterprise Java.7 min read

02

Spring Boot Basics 6 tutorials

Auto-configuration, starters and properties that make Spring Boot fast to build with.

beginnerapplication.properties in Spring Boot: The Settings That MatterWhere Spring Boot reads its configuration from, the settings you will actually change, and how profiles and environment variables layer on top.5 min read beginnerSpring Boot Auto-Configuration: How It Really WorksHow Spring Boot inspects your classpath and quietly configures beans for you, the conditions that gate each one, and how to see and override the decisions.6 min read beginnerEssential Spring Boot Annotations, Explained in One PlaceA grouped tour of the annotations that appear in almost every Spring Boot class, what each one signals to the container, and how they combine.5 min read beginnerBuild Your First Spring Boot ApplicationGo from an empty folder to a running Spring Boot app that answers HTTP requests. This walkthrough covers project generation, the main class, a first endpoint, and running it.6 min read beginnerSpring Boot Starters: What Each One BundlesStarters are curated dependency bundles that give you a compatible library set in one line. Here is what the common ones contain and why versions just work.5 min read beginnerWhat is Spring Boot?Spring Boot is the Spring Framework with the setup pain removed — auto-configuration, starter dependencies and an embedded server. Here is what it does and why teams adopted it.6 min read

03

REST APIs 3 tutorials

Build REST endpoints the way production teams structure them.

beginnerRequest Validation in Spring Boot with Bean ValidationHow to reject bad input at the edge of your API using Bean Validation annotations, the @Valid trigger, and clean field-level error responses.5 min read beginnerBuilding a REST API with Spring BootTurn Spring Boot into a working REST API — controllers, the full set of HTTP verbs, JSON request and response bodies, path variables and proper status codes, step by step.7 min read beginnerException Handling in Spring Boot REST APIs with @ControllerAdviceHow to turn raw stack traces into clean, consistent JSON error responses using @ExceptionHandler and a global @ControllerAdvice handler.5 min read

04

Spring Data JPA 1 tutorials

Persist data with Spring Data JPA and repositories.

beginnerSpring Data JPA: Getting StartedSpring Data JPA lets you talk to a database by declaring an interface — no SQL, no boilerplate. Here is how entities, repositories and derived queries fit together, with code.7 min read

Continue Your Preparation

Spring Boot Interview PreparationTopic-wise and experience-level question sets with answers.Developer Roadmaps & Career GuidesSkills, timelines and milestones for the roles you are targeting.Technology ComparisonsHonest side-by-side guides to help you choose what to learn.Java Full Stack ProgramCodeBegun's 145-day project-based program in Madhapur, Hyderabad.