exo6/Variable.java

   1 import java.util.TreeMap;
   2
   3 class Variable extends Terme {
   4     TreeMap<Character, Double> v;
   5
   6     Variable(Character c) throws NotCharacterException {
   7         v = new TreeMap<Character, Double>();
   8         //TODO?: remove extragenous whitespace
   9         if (Character.isLetterOrDigit(c)) {
  10             v.put(c, 0.0); // we suppose the default variable value is 0
  11         } else {
  12             throw new NotCharacterException(c + " is not a character type");
  13         }
  14     }
  15
  16     private boolean isVariable() {
  17         //FIXME: this cover more than latin alphabet
  18         return Character.isLetter(v.firstKey());
  19     }
  20
  21     public double evaluer() {
  22         return 0.0;
  23     }
  24 }