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Iamp;#39;m gonna talk about there a finding in web applications which is different from what you heard when you learn Java code okay so most likely in web applications you are gonna using a form to submit the information to the server side to save it to a database or all the things you want to do suppose we have a phone like this one as a sign up sign up and in the sign up you have to input a text one hereamp;#39;s a for the first time the other one is for the last name and here you submit up you have a submit button here okay you have the way is in the methods in the controller you can using the requested parameter the annotation requests pram to retrieve the values one by one there is another way which you spring form framework where two is spring MVC framework okay what can I do suppose this is your user controller public class user controller okay and you have an annotation for the poster mapping and this method has supposed for sign up okay and using public string cell user okay