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Spring 5 Clarifications

 
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Hi,

I went through https://www.callicoder.com/reactive-rest-apis-spring-webflux-reactive-mongo/ and need clarifications on the below

In previous version we have to specify as below to return the output as Json

@RequestMapping(value = "/getString", method = RequestMethod.GET, produces = "application/json")

How to return the response as Json in new Spring 5 ?

In earlier version we can return a stream directly to the browser to process to the front end. either stream or base64 url. How to return a stream in the current spring 5 version

Where i can find out the syntax differences between spring earlier and spring 5 version

Thanks.
 
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You may want to install Google Chrome and also install the add-on Postman. Then, run the Postman and choose JSON as the request body format.
 
It is sorta covered in the JavaRanch Style Guide.
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