In Spring MVC, @RequestParam and @PathVariable are two commonly used annotations for handling incoming requests and extracting data from the URL. While they might seem similar, they serve different purposes and are used in distinct scenarios. In this tutorial, we'll explore the differences between @RequestParam and @PathVariable with examples to illustrate their usage. @RequestParam…
RESTful web services have become a standard for communication between web servers and clients. In Spring Boot, consuming these RESTful services is simplified with the RestTemplate class. In this tutorial, we'll explore how to use RestTemplate as a RestClient in a Spring Boot application. What is RestClient? A RestClient is a client-side application or…
Pagination is a crucial feature for displaying large sets of data in manageable chunks in web applications. Spring Boot makes it straightforward to implement pagination using Spring Data JPA and its Pageable interface. In this tutorial, we'll go through how to set up pagination in a Spring Boot application with examples. Prerequisites Basic understanding…
In this tutorial, we will explore how to leverage Twilio's APIs within a Spring Boot application to send SMS messages. Spring Boot, known for its simplicity and convention-over-configuration approach, is a popular choice for building robust Java applications, making it an excellent framework for integrating with Twilio. Prerequisites Java installed on your machine (version…
Node.js has become a popular choice for building server-side applications due to its efficiency and scalability. Apollo Server, on the other hand, is a flexible GraphQL server that integrates seamlessly with Node.js. In this tutorial, we will walk through the process of setting up a basic Node.js application and integrating Apollo Server to create…
Introduction In Spring Framework, dependency injection is a key concept for achieving loose coupling and promoting maintainability and testability in your applications. To wire dependencies, Spring provides several annotations, including @Autowired, @Resource, and @Inject. In this tutorial, we'll explore each of these annotations, their differences, and when to use them. 1. @Autowired: The @Autowired…
When it comes to Java development, speed and efficiency are paramount. This is where Spring Boot Dev Tools comes into play, offering a set of handy utilities designed to enhance your development experience. Whether you're a seasoned developer or just starting with Spring Boot, these tools can significantly boost your productivity. In this article,…
Introduction In the Spring Framework, @Controller and @RestController are two important annotations used for building web applications. These annotations are used to define classes that handle HTTP requests, but they have different purposes and behaviors. In this tutorial, we'll explore these annotations, their differences, and provide examples of how to use them. 1. @Controller…
Introduction In modern software development, documenting your RESTful APIs is crucial for ensuring clear communication among team members, simplifying integration for consumers, and promoting API adoption. OpenAPI Specification (OAS), formerly known as Swagger Specification, provides a powerful way to describe, document, and consume RESTful APIs. In this tutorial, we'll focus on documenting a Spring…
Introduction Spring Boot provides various ways to initialize and execute code when the application starts up. One of the convenient ways to run custom initialization logic is by implementing the CommandLineRunner interface. In this tutorial, we'll explore what CommandLineRunner is, how to use it in a Spring Boot application, and provide examples to demonstrate…