code: public static String getDspMethods(Class... clazzArgs) {
  	StringBuffer sb = new StringBuffer();
  	for (int i = 0; i < clazzArgs.length; i++) {
  	    if (i > 0) sb.append(", ");
  	    sb.append(Caster.toTypeName(clazzArgs[i]));
  	}
  	return sb.toString();
      }
docs: creates a string list with class arguments in a displable form
  
  @param clazzArgs arguments to display
  @return list