Constants.java

import java.util.Map;

import com.google.common.collect.ImmutableMap;

public class Constants {
   public static final String ZERO = "zero";
   public static final String ONE = "one";
   public static final String TWO = "two";
   public static final String THREE = "three";
   public static final String FOUR = "four";
   public static final String FIVE = "five";
   public static final String SIX = "six";
   public static final String SEVEN = "seven";
   public static final String EIGHT = "eight";
   public static final String NINE = "nine";
   public static final String TEN = "ten";
   public static final String ELEVEN = "eleven";
   public static final String TWELVE = "twelve";
   public static final String THIRTEEN = "thirteen";
   public static final String FOURTEEN = "fourteen";
   public static final String FIFTEEN = "fifteen";
   public static final String SIXTEEN = "sixteen";
   public static final String SEVENTEEN = "seventeen";
   public static final String EIGHTEEN = "eighteen";
   public static final String NINETEEN = "nineteen";
   public static final String TWENTY = "twenty";
   public static final String THIRTY = "thirty";
   public static final String FORTY = "forty";
   public static final String FIFTY = "fifty";
   public static final String SIXTY = "sixty";
   public static final String SEVENTY = "seventy";
   public static final String EIGHTY = "eighty";
   public static final String NINETY = "ninety";
   public static final String HUNDRED = "hundred";
   public static final String THOUSAND = "thousand";
   public static final Map<Integer, String> NUMBERS = ImmutableMap.<Integer, String>builder()
          .put(0, ZERO)
          .put(1, ONE)
          .put(2, TWO)
          .put(3, THREE)
          .put(4, FOUR)
          .put(5, FIVE)
          .put(6, SIX)
          .put(7, SEVEN)
          .put(8, EIGHT)
          .put(9, NINE)
          .put(10, TEN)
          .put(11, ELEVEN)
          .put(12, TWELVE)
          .put(13, THIRTEEN)
          .put(14, FOURTEEN)
          .put(15, FIFTEEN)
          .put(16, SIXTEEN)
          .put(17, SEVENTEEN)
          .put(18, EIGHTEEN)
          .put(19, NINETEEN)
          .put(20, TWENTY)
          .put(30, THIRTY)
          .put(40, FORTY)
          .put(50, FIFTY)
          .put(60, SIXTY)
          .put(70, SEVENTY)
          .put(80, EIGHTY)
          .put(90, NINETY)
      .build();
}