// Whitaker Brand
// CSE142
// Winter 17
// TA: Eddie Smintina
// Section: CB
// This program is an example of a fence-post loop; fence-post loops
// are useful when you are trying to do a repeated task where part of 
// the task happens one extra time.
public class FencePostExample {
   public static void main(String[] args) {
      printSeparated("CSE142");
   }
   
   // accepts a String parameter, and prints the word separated by spaces
   // "CSE142"
   // "C-S-E-1-4-2"
   //   - - - - - 
   public static void printSeparated(String word) {
      // This fencepost solution pulls the first "post"
      // out of the loop. Pulling the last "post" out
      // is just as good, and it is typical to choose 
      // whichever is easier
      System.out.print(word.charAt(0));
      for (int i = 1; i < word.length(); i++) {
         char letter = word.charAt(i);
         System.out.print("-" + letter);
         
         // Note the difference between declaring a String and a char:
         // char b = 'b';
         // String bee = "b";
      }
      System.out.println();
      
      // This is a BAD example of a "fencepost" solution, where
      // an if/else is used inside the loop to figure out if
      // the first/last execution of the loop is happening,
      // and only put a "post" during that loop execution.
      for (int i = 0; i < word.length(); i++) {
         char letter = word.charAt(i);
         if (i == word.length() - 1) {
            System.out.print(letter);         
         } else {
            System.out.print(letter + "-");
         }
      }      
   }
}