Spring MVC Diffrence between Path & Variable in @RequestMapping Annotation

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I would like to know what are the differences between Path and Variable in Spring MVC in the Controller class.

@RequestMapping("/home")
@RequestMapping(value = "/home")
@RequestMapping(path = "/home")

Base on the Spring Documentation Spring 5 Annotation Type RequestMapping the path is an alias for value, and the value is the alias for the path. I would like to know this 3 RequestMapping definitions and difference.

There's no difference between @RequestMapping("/home") and @RequestMapping(value = "/home").But if you want to add some other parameter then you have to use,

@GetMapping(value = "/home/{ABC}", consumes = MediaType.ALL_VALUE)

because if write,

@GetMapping("/getTodayActivity/{millis}", consumes = MediaType.ALL_VALUE)

then it will compile error, so only want to use more parameter then you have to use "value"

Spring MVC 4, annotation is used to read the form data and bind it automatically to the parameter present in the provided method. So, it ignores the requirement of HttpServletRequest object to read the provided data. @PathVariable. It is used to pass parameter along with the url, sometimes we need to pass parameters along with the url to get the data. Spring MVC provides support for customizing the URL in order to get data. To achieving this purpose @PathVariable annotation is used in Spring mvc framework.

According to this there is no difference between @RequestMapping("/home") and @RequestMapping(value = "/home") when you are using to class level or method level.

However, you can use pass more than one variable with this usage @RequestMapping(value={"/method1","/method1/second"})

Spring MVC RequestParam Annotation, There's no difference between @RequestMapping("/home") and @​RequestMapping(value = "/home").But if you want to add some other  The @RequestMapping and @PathVariable annotations are widely used in Spring MVC so we can create controllers that accept dynamic values in the URI. This allows them to be used in the body of the method without the need for manual conversion or parsing.

There's no difference between @RequestMapping("/home") and @RequestMapping(value = "/home"). You can quickly use the former if there's only one mapping, and latter if there are multiple URLs that are being mapped to same place, for example, @RequestMapping(value={"/home","/home2","/home2/home3"})

Similarly, the path and value are also same. If you look at their definitions, they are basically alias of each other:

definition of value:

@AliasFor(value="path")
public abstract java.lang.String[] value
    ...

definition of path:

@AliasFor(value="value")
public abstract java.lang.String[] path
    ...

As for all the definitions, you can always visit the official docs.

What is the difference between @PathParam and @PathVariable , Also, request parameters can be optional, and as of Spring 4.3.3 path variables can be The above URL request can be written in your Spring MVC as below: The key difference between @RequestParam and @PathVariable is that @RequestParam used for accessing the values of the query parameters where as @PathVariable used for accessing the values from the URI template.

Spring @PathVariable - read URI template variable with , The @PathVariable annotation is used for data passed in the URI (e.g. RESTful web services) while @RequestParam is used to extract the data found in query parameters. These annotations can be mixed together inside the same controller. @PathParam is a JAX-RS annotation that is equivalent to @PathVariable in Spring. Sometimes we need to pass parameters along with the url to get the data. In Spring MVC framework, we can customize the URL in order to get data. For this purpose @PathVariable annotation is used in Spring framework. @PathVariable is used to obtain some placeholder from the uri (Spring call it an URI Template).

Spring MVC Diffrence between Path & Variable in , Difference between "/*" and "/**" in Spring MVC paths. An asterisk ('*') matches zero or more characters, up to the occurrence of a '/' character  Spring MVC: Spring MVC is a Web MVC Framework for building web applications. It contains a lot of configuration files for various capabilities. It is an HTTP oriented web application development framework. Spring Boot and Spring MVC exist for different purposes. The primary comparison between Spring Boot and Spring MVC are discussed below:

@RequestParam vs @PathVariable, In this tutorial I will explain the @RequestParam and @PathVariable annotations used in Spring MVC with a simple example and syntax used  Spring MVC is the standard MVC solution provided by SpringSource for your web applications , so you have the concept of a view which is for example your JSP page , a controller class (annotated with @Controller ) and a model which represents your

Comments
  • Reference should be official document or from reliable and wellknown source
  • Thanks. Could I need to update my answer because actually spring docs also says same thing ? This is an alias for path(). For example @RequestMapping("/foo") is equivalent to @RequestMapping(path="/foo").