code: private boolean isApplicationFound(String applicationName) {
          boolean applicationFinded = false;
          List<String> appList = application.get();
          if (!appList.isEmpty()) {
              if (appList.contains(applicationName)) {
                  applicationFinded = true;
              } else {
                  logger.info("Application [{}] do not exist. You must create an application named [{}] first.", applicationName, applicationName);
              }
          } else {
              logger.info(CLI_YOU_MUST_CREATE_AN_APPLICATION_FIRST);
          }
          return applicationFinded;
      }
docs: Is application found looking for if applicationName match with an existing application.
  
  @param applicationName
  is the name of the application you are looking for.
  @return true if applicationName match with an existing application.