Short Name in Hackers Earth

Short Name

import java.util.*;

class TestClass {
    public static void main(String args[] ) throws Exception {
     
        //Scanner
        Scanner s = new Scanner(System.in);
        String str = s.nextLine();           
String[] strarry=str.split(" ");
String output="";
for(int i=0;i<strarry.length;i++)
{
String value=strarry[i];
String ch=(value.charAt(0)+"").toUpperCase();
String val=value.replace(value.charAt(0),ch.charAt(0));

if(i==strarry.length-1)
output += val;
else
output += (value.charAt(0)+"").toUpperCase()+". ";
}
System.out.println(output);

    }
}