intials.java

import java.util.*;
public class intials {
   public static void main(String[] args) {
      String name = "Rahul Das";
      System.out.println("The full name is: " + name);
      System.out.print("Initials with surname is: ");
      int len = name.length();//9
      name = name.trim();//
      String str1 = "";
      for (int i = 0; i < len; i++) {
         char ch = name.charAt(i);
         if (ch != ' ') {
            str1 = str1 + ch;//Rahul
         } else {
            System.out.print(Character.toUpperCase(str1.charAt(0)) + ". ");//R.
            str1 = "";
         }
      }
      String str2 = "";
      for (int j = 0; j < str1.length(); j++) {
         if (j == 0)
            str2 = str2 + Character.toUpperCase(str1.charAt(0));
         else
            str2 = str2 + Character.toLowerCase(str1.charAt(j));
      }
      System.out.println(str2);
   }
}