Method getFieldNumber

exceptions/DynamicFields.java:33–39

(String id)

    return -1;
  }
  private int getFieldNumber(String id)
  throws NoSuchFieldException {
    int fieldNum = hasField(id);
    if(fieldNum == -1)
      throw new NoSuchFieldException();
    return fieldNum;
  }
  private int makeField(String id) {
    for(int i = 0; i < fields.length; i++)
      if(fields[i][0] == null) {