Spring mvc @PathVariable

Question

Can you give me a brief explanation and a sample in using @PathVariable in spring mvc? Please include on how you type the url?
I\'m struggling in getting th

Answer 1

@PathVariable used to fetch the value from URL

for example: To get some question

www.stackoverflow.com/questions/19803731

Here some question id is passed as a parameter in URL

Now to fetch this value in controller all you have to do is just to pass @PathVariable in the method parameter

@RequestMapping(value = " /questions/{questionId}", method=RequestMethod.GET)
    public String getQuestion(@PathVariable String questionId){
    //return question details
}