code: public boolean processClassName(String className) {
          try {
              ClassFile cf = finder.find(className);
              if (cf == null) {
                  errorNoClass(className);
                  return false;
              } else {
                  processClass(cf);
                  return true;
              }
          } catch (ConstantPoolException ex) {
              errorException(ex);
              return false;
          }
      }
docs: Scans the named class for uses of deprecated APIs.
  
  @param className the class to scan
  @return true on success, false on failure