Upper & lower (mixed) case String display according to grammar

Explanation: 

           You enter text in upper and lower mixed case the programs automatically and intelligently arrange all the letter according to grammar rules. The first letter of the name will be display in upper case and rest of the letter are in lower case even you enter all the letters in upper case. Have a look on the code

Source code:

import java.util.Scanner;

class JavaPractice {

       

        public static void main(String[] args) {

                System.out.println("\t\tInput validation for string\n\n\n");

                // of getting input

                Scanner scan = new Scanner (System.in);

                // declare a variable for storing the name

                String name;

                //message for user

                System.out.print("Please enter your name (without space):");

                name=scan.next();

                // for get the length of name

                int lengthOfname=name.length();

               

                System.out.println("Welcome Mr."+name.substring(0, 1).toUpperCase()+name.substring(1,lengthOfname).toLowerCase());

       

      }
}