public class AHash {
  private java.util.Hashtable table = 
    new java.util.Hashtable();
  public String associate(String key, String value) {
    return (String) table.put(key,value);
  }
  public String find(String key) {
    return (String) table.get(key);
  }
  public int size() {
    return table.size();
  }
}