code: private String getMethodArgs(Method m)
      {
          StringBuffer sb = new StringBuffer();
          Class [] argTypes = m.getParameterTypes();
          for (int i = 0; i < argTypes.length; i++)
          {
              if (i != 0) sb.append(",");
              sb.append(argTypes[i].toString());
          }
          return sb.toString();
      }
docs: Returns a String version of method argument lists based upon the method argument types