In this guide, I will walk you through the Caching Abstraction in Spring Boot and how to improve the application’s performance. I will walk you through how to enable default caching in Spring Boot with an example of different use cases. What is Cache? A cache is a small and fast, efficient memory space that…
Read More Spring Boot Caching with ExamplesSpring Boot offers various methods and techniques for setting up your database. It can automatically create and initialize the database using the information in the data source. Spring Boot looks for SQL files in specific locations in your project’s classpath, such as “schema.sql” and “data.sql”. In this tutorial, you will learn how to configure your…
Read More Database Initialization with Spring BootIn this Spring Security tutorial, you will learn how to enable Basic Authentication for your Spring Boot project and configure the default username, password and user role. You will also learn how to secure a web service request URL so only authenticated users with a default username, password and role can access it. If you use…
Read More Spring Security Default Username, Password, RoleIn Spring Boot 3, the authorizeRequests() method of the WebSecurityConfigurerAdapter class has been deprecated. This method was previously used to configure the authorization rules for securing web applications. To secure your application in Spring Boot 3 using Spring Security, you should use the HttpSecurity class and its authorizeHttpRequests() method instead. You can use the authorizeHttpRequests() method…
Read More Migrating from a Deprecated autorizeRequests()In this tutorial, you will learn what @Scope annotation is and how to use it in Spring. @Scope is a Spring annotation used to specify a bean’s lifecycle. It can be used to define the lifecycle of a bean as a singleton, prototype, request, session, or global session. If you are interested to learn about other…
Read More @Scope Annotation in SpringRESTful web services use HTTP methods and representations to manage resources. In order to properly handle these resources, it’s important to understand how to define the expected behaviour of an endpoint in terms of the HTTP request and response, including specifying request methods, headers, and media types. By using Spring’s @RequestMapping annotation, we can map…
Read More The @RequestMapping Annotation: A Comprehensive GuideIn this tutorial, you will learn what the @Controller annotation is and how to use it in Spring. You will use @Controller annotation to mark a class as a Spring MVC controller. It is generally used with @RequestMapping annotation to map HTTP requests to specific methods in a controller class. How to User @Controller Annotation…
Read More @Controller Annotation in SpringIn this tutorial, you will learn what the @Service annotation is and how to use it in your Spring Boot applications. @Service annotation is a part of the Spring Framework, and you will use it to mark a class as a service layer component. This annotation is typically used in conjunction with @Component, which is…
Read More @Service Annotation in SpringSpring Framework is an open-source application development framework that provides comprehensive infrastructure support for developing Java applications. One of the key features of the Spring Framework is its support for stereotype annotations, which provide a convenient way to configure and manage the various components in a Spring-based application. What are Stereotype Annotations? Stereotype annotations are…
Read More Spring Boot Stereotype AnnotationsThis tutorial will teach you what the @Lazy annotation is and how it is used. The @Lazy annotation in Spring Boot is used to mark a bean or component as lazy-initialized. This means that the bean will not be instantiated until it is first requested by another bean or by the user. @Lazy Annotation Example…
Read More @Lazy Annotation in Spring BootThis tutorial will teach you what @Bean annotation is and how to use it. The @Bean annotation indicates that a method produces a bean to be managed by the Spring container. It is a method-level annotation that is used to define beans in Spring configuration files. How to use @Bean annotation Here is a simple…
Read More @Bean Annotation TutorialCore Spring Framework Annotations are a set of annotations that are used to simplify the development process of Java applications using the Spring Framework. These annotations can be used to inject dependencies, define components, and specify configuration details without the need for explicit XML configuration. Some of the most commonly used Core Spring Framework Annotations…
Read More Spring Core Annotations with Examples@Value is a Spring annotation that allows you to inject a property value from a configuration file into a field in your application. This can be useful for injecting values such as database connection strings, API keys, or other application-specific configurations. To use @Value in a Spring Boot application, follow these steps: Step 1. Add…
Read More How to Use @Value Annotation in Spring@Configuration is a Spring annotation that indicates that a class declares one or more @Bean methods and may be processed by the Spring container to generate bean definitions and service requests for those beans at runtime, for example: @Configuration public class AppConfig { @Bean public MyService myService() { return new MyServiceImpl(); } } Here, the…
Read More @Configuration Annotation in Spring BootIn this tutorial, you will learn how to enable the Actuator’s httpTrace endpoint in Spring Boot 3. In fact, /httptrace has been renamed to /httpexchanges, so this tutorial will teach you how to enable the Actuator’s /httpexchanges API endpoint instead of /httptrace. The httpexchanges endpoint provides information about HTTP request-response exchanges. These HTTP exchanges are essentially…
Read More How to Enable Actuator’s HttpTrace in Spring Boot 3