/* Anthony Larrain */


class WordList {
	private String [] list;
	private String word;

	public WordList(){
		list = new String [] {"guitar", "drums", "banjo", "flute", "bass",
		                      "mandolin","congas", "fluegelhorn","bassoon",
		                      "trombone","recorder","piccolo"
		                     };
    }
	public String scramble(  ) {
		// get number of characters in the String (word)
		int len = word.length();

		// create a character array to hold the letters of the word
		char [] temp = new char[len];

		// copy the characters of the string into the array
		for (int i = 0; i < len; i++){
			temp[i] = word.charAt(i);
		}

		/*
		 * Note: the String class has a method that
		 * will return a reference to an array of characters.
		 *
		 * char [] temp = W.toCharArray();
		 *
		 */

		/*
		 * One way to scramble is for each cell of the array,
		 * randomly generate the index
		 * of another character in the array, and swap.
		 *
		 */
		 for(int pos, j = 0; j < len; j++) {
			  char temp_cell = temp[j];
			  pos = (int)(Math.random() * len);
			  temp[j] = temp[pos];
			  temp[pos] = temp_cell;
		 }
		/* The string class has a one parameter constructor
		 * that takes a reference to a character array and
		 * forms a string object out of the characters in the array.
		 *
		 */
		 return new String(temp);
	}

	public String pickWord(){
		    word = list[(int) (Math.random() * list.length)];
		    return word;
	}

	public String getWord() {
		return word;
	}
}