public Table createTable(TableName tableName, String[] families) throws IOException {
    List<byte[]> fams = new ArrayList<>(families.length);
    for (String family : families) {
      fams.add(Bytes.toBytes(family));
    }
    return createTable(tableName, fams.toArray(new byte[0][]));
  }
Create a table.
@return A Table instance for the created table.
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseTestingUtility.java