static void CreerTable(HBaseAdmin admin,
            String nomtable, String... familles)
            throws IOException
{
    TableName tn = TableName.valueOf(nomtable);
    HTableDescriptor htd = new HTableDescriptor(tn);
    for (String famille: familles) {
        htd.addFamily(new HColumnDescriptor(famille));
    }
    admin.createTable(htd);
}