Spring MVC - 7 (Spring MVC Get User Data In Model Object)

Collecting form data submitted through form by user, using model (Entity) object

[badvelsubbarayudu]

Sir i have one doubt please reply me sir, sir my question is how the user submitted form data will be stored in model object(user obj) .How spring frmwk knows to store the user enterd data directly into the model obj when we passed user obj into handler mapping method