How to set the request parameters to the optional for the array list
public String add(@RequestParam String name, @RequestParam Integer id,@RequestParam(required=false) List course)
And this will produce Student(name=hi, id=2, courses=[asd, , edfg, d, f, df])
public String add(@RequestParam String name, @RequestParam Integer id,@RequestParam(required=false) List course)
Actual result should be like this Student(name=hi, id=2, courses=[asd,null, edfg, d, f, df])
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