Hawaii.java - Day 2

public class Hawaii{
   private String word;//instance variable

   public Hawaii( String w ){//constructor
      word = w;
   }

   //method to check if hawaii word is valid
   public boolean isValid(){
      String legalCharacters = "aeioupkhlmnw '";
      for( int i = 0; i < word.length(); i++ ){
         String letter = word.substring(i, i+1);
         if( legalCharacters.indexOf( letter ) == -1 ) return false;
      }
      return true;
   }

   //method to determine if pair is special
   private boolean isSpecialPair(String pair){
      String[] pairs = {"ai", "ae", "ao", "au", "ei", "eu", "iu", "oi", "ou", "ui"};
      for(int i = 0; i < pairs.length; i++){
         if( pair.equals( pairs[i] ) ) return true;
      }
      return false;
   }

   //method to return the pronunciation of the special pair
   private String pronouncePair(String pair){
      String[] pairs = {"ai", "ae", "ao", "au", "ei", "eu", "iu", "oi", "ou", "ui"};
      String[] pronounce = {"eye", "eye", "ow", "ow", "ay", "eh-oo", "ew", "oy", "ow", "ooey"};
      for(int i = 0; i < pairs.length; i++){
         if( pair.equals( pairs[i] ) ) return pronounce[i];
      }
      return "";
   }
}