Web Reference: Feb 27, 2025 · In this quick tutorial, we’ll explore Spring’s @RequestParam annotation and its attributes. Simply put, we can use @RequestParam to extract query parameters, form parameters, and even files from the request. By default, method parameters that use this annotation are required, but you can specify that a method parameter is optional by setting the @RequestParam annotation’s required flag to false or by declaring the argument with a java.util.Optional wrapper. Aug 25, 2015 · It's a bad idea to put Optional in parameter. Don't use Optional in parameters. For this problem, you can use required = false.
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