code: public boolean existsTable(String keyspace, String table, boolean showLog) {
          this.metadata = this.cluster.getMetadata();
  
          if (!(this.metadata.getKeyspace(keyspace).getTables().isEmpty())) {
              for (TableMetadata t : this.metadata.getKeyspace(keyspace).getTables()) {
                  if (t.getName().equals(table)) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: Checks if a keyspace contains an especific table.
  
  @param keyspace
  @param table
  @param showLog
  @return boolean