code: public void createKeyspace(String keyspace) {
          Map<String, String> replicationSimpleOneExtra = new HashMap<>();
          replicationSimpleOneExtra.put("'class'", "'SimpleStrategy'");
          replicationSimpleOneExtra.put("'replication_factor'", "1");
          String query = this.cassandraqueryUtils.createKeyspaceQuery(true,
                  keyspace, this.cassandraqueryUtils
                          .createKeyspaceReplication(replicationSimpleOneExtra),
                  "");
          LOGGER.debug(query);
          executeQuery(query);
      }
docs: Create a keyspace in Cassandra.
  
  @param keyspace