JAVA STRING TOUPPERCASE TOSTRING CHARAT LENGTH

 JAVA STRING TOUPPERCASE TOSTRING CHARAT LENGTH

import java.util.*;
class Test
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        String name;
        System.out.print("\nENTER ANY NAME: ");
        name=sc.nextLine();
        int len=name.length();
        int i=0;
        String ns="";
        while(i<len)
        {   
            char s1=(name.charAt(i));
            String s=Character.toString(s1);
            if(i==0)
            {    
                ns= s.toUpperCase();
            }   
            else if (s.equals(" "))
            {   
                char sp=(name.charAt(i+1));
                String sm=Character.toString(sp);
                ns= ns+" "+ sm.toUpperCase();
                i=i+2;
                continue;
            }
            else
            {
                ns=ns+s1;
            }
                i++;
        }
        System.out.print("\n NAME: "+ns+"\n");
    }
}