tutorial_27.java

class Driver {
 //
 public static void main(String[] args) { 
 
 System.out.println( greeting() );
 System.out.println( greeting("Jeremy") );
 System.out.println( greeting("Jeremy", "England") );
 
 } 
 //
 static String greeting() {
 return greeting("Person", "");
 }
 //
 static String greeting(String f) {
 return greeting(f, "");
 }
 // added a ternary operator here as per request to get rid of the extra space when only putting a first name.
 static String greeting(String f, String l) { 
 return (
 "--------------------------------\n" +
 "Hello, " + f + (l.equals("") ? "": " ") + l + ". Welcome to my app.\n" +
 "--------------------------------" 
 );
 }
 //
}