When building RESTful APIs with Spring Boot, exception handling becomes critical for providing meaningful responses and avoiding verbose stack traces in the client response. Rather than handling ex
Validation in Spring Boot using Jakarta Bean Validation
Data validation is a key part of building robust APIs. Spring Boot integrates with Jakarta Bean Validation (formerly JSR 380, previously known as Hibernate Validator) to provide a powerful and decl
Handling JSON with Jackson in Spring Boot
JSON (JavaScript Object Notation) is the most widely used data format in REST APIs. Spring Boot, by default, uses Jackson as its JSON library to serialize Java objects to JSON and deserialize JSON
Params in Spring Boot : Path Variables, Request and Query Params
🌐 What Are Parameters in Web Requests? When building REST APIs or web apps, parameters help you pass data from the client (browser or app) to the server (your Spring Boot backend). In Spring Boo
@RestController and @RequestMapping in Spring Boot
Spring Boot makes it easy to build RESTful APIs using powerful annotations. Two of the most fundamental annotations you’ll encounter when building web services are @RestController and @Reques
Building Your First REST API in Spring Boot
Spring Boot offers a powerful and minimalistic way to build modern REST APIs in Java. Whether you’re just getting started with backend development or coming from a different stack, Spring Boo
Profiles in Spring Boot: Managing Multiple Environments
When developing an application, you often need different configurations for different environments. For example: Managing these differences manually can be messy. This is where Profiles in Spring B
Using CommandLineRunner and ApplicationRunner in Spring Boot
In Spring Boot, sometimes you want to run some code right after the application starts—such as initializing data, setting up caches, or calling external services. Spring Boot provides two interfa
Spring Boot Properties: application.properties vs application.yml
Spring Boot lets you configure your app without touching code by using configuration files. These files live in the src/main/resources folder and help control: The two most commonly used Spring Boo
Dependency Injection in Spring Boot: The Basics
Dependency Injection (DI) is a design pattern where objects are provided with their dependencies instead of creating them directly. It’s like saying: “Hey, I don’t want to build this thing my