- What is the @controller annotation used for?
- What is @controller in Java?
- What’s the difference between @component @controller @repository & @service annotations in spring?
- Is Spring MVC still used?
- What is the use of @configuration in spring?
- What is the use of @controller in spring?
- What is difference between @controller and @RestController in spring?
- What is difference between @component and @bean in spring?
- What is the difference between @configuration and @component in Spring?
What is the @controller annotation used for?
The basic purpose of the @Controller annotation is to act as a stereotype for the annotated class, indicating its role.
The dispatcher will scan such annotated classes for mapped methods, detecting @RequestMapping annotations (see the next section)..
What is @controller in Java?
MVC Pattern stands for Model-View-Controller Pattern. This pattern is used to separate application’s concerns. Model – Model represents an object or JAVA POJO carrying data. It can also have logic to update controller if its data changes.
What’s the difference between @component @controller @repository & @service annotations in spring?
The difference between them is, @component is used to annotate compound classes, @Repository is a marker for automatic exception translation in the persistence layer, for service layer we need to use @service. You can refer Spring Documentation to know more.
Is Spring MVC still used?
What is the use of @configuration in spring?
Spring @Configuration annotation is part of the spring core framework. Spring Configuration annotation indicates that the class has @Bean definition methods. So Spring container can process the class and generate Spring Beans to be used in the application.
What is the use of @controller in spring?
Spring RestController Spring @RestController is a convenience annotation that is itself annotated with @Controller and @ResponseBody. This annotation is used to mark a class as request handler for RESTful web services.
What is difference between @controller and @RestController in spring?
Difference between @RestController and @Controller in Spring. … The @Controller is a common annotation that is used to mark a class as Spring MVC Controller while @RestController is a special controller used in RESTFul web services and the equivalent of @Controller + @ResponseBody.
What is difference between @component and @bean in spring?
@Component auto detects and configures the beans using classpath scanning whereas @Bean explicitly declares a single bean, rather than letting Spring do it automatically.
What is the difference between @configuration and @component in Spring?
@Component Indicates that an annotated class is a “component”. Such classes are considered as candidates for auto-detection when using annotation-based configuration and classpath scanning. A @Configuration is also a @Component, but a @Component cannot act like a @Configuration.