Optional Path Variable In this tutorial I will show you how to work with Spring framework’s optional path variable (PathVariable) in REST services. Here I will use Java 8’s java.util.Optional or using attribute required=false and at least Spring Boot 2.1.4 to support optional PathVariable. The optional variable can be found in the URI resource path of the URL.

This tutorial will show you how we use @PathVariable annotation with Regular Expressions in Spring Web MVC. Sometimes you need more precision in defining URI template variables. The @RequestMapping and @GetMapping annotations support the use of regular expressions in URI template variables. The syntax is {varName:regex} where the first part defines the variable name and the second – the regular…

Path Variable This tutorial will show you how to use @PathVariable annotation in Spring MVC. The @PathVariable annotation is used on a method argument to bind it to the value of a URI template variable. You can also make this path variable optional in the URI. Path variable can appear in any path segment of the URI.