Spring Framework

This blog post covers three distinct methods for reading application properties in a Spring Boot application. These methods include: Using the Environment object. Using the @ConfigurationProperties annotation. Using the @Value annotation. I made a simple Spring Boot Web App to show you how to read application properties. You can use the tutorial “Create a Simple…

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In this blog post, I will share the Spring annotations used to map HTTP requests to specific handler methods. These annotations include @PostMapping, @GetMapping, @PutMapping, and @DeleteMapping. While most Spring Boot applications use the @RequestMapping annotation, which I will also cover in this post, I’ll begin with the newer shortcut annotations that have been available…

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In this Spring Security tutorial, you will learn how to enable and use the Method Level Security with a @Secured annotation. @Secured is a Spring Security annotation used to specify that a method should be executed only if the authenticated user has the required roles or authorities. When you use this annotation, you can specify…

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In this Spring Boot Security tutorial, you will learn how to use Spring method-level security to secure RestController methods with @PreAuthorize annotation. If you are interested in video lessons, then I also show how to create user Roles and Authorities and how to use Spring Method Level Security annotations in my video course: RESTful Web…

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This tutorial will teach you how to retrieve URI path variables in your Spring MVC web application. Define Path Variable To define a path variable in the URI path, we use curly brackets. For example, the @GetMapping annotation below specifies one path variable called userId, which is surrounded by curly brackets. @GetMapping(path=”/users/{userId}”) @PathVariable Annotation To…

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This tutorial will guide you on how to incorporate JUnit support into your Spring Boot application based on Maven. Introduction Brief Explanation of JUnit and Its Importance in Testing JUnit is a popular open-source testing framework for Java applications. It provides a set of tools and methods for writing and running automated tests, making it…

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