code: public void delete(HTableInterface hTable, Object rowKey, String columnFamily)
      {
          try
          {
              byte[] rowBytes = HBaseUtils.getBytes(rowKey);
              Delete delete = new Delete(rowBytes);
              byte[] family = HBaseUtils.getBytes(columnFamily);
              delete.deleteFamily(family);
              hTable.delete(delete);
          }
          catch (IOException e)
          {
              log.error("Error while delete on hbase for : " + rowKey);
              throw new PersistenceException(e);
          }
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.impetus.client.hbase.Writer#delete(org.apache.hadoop.hbase.client
  .HTable, java.lang.String, java.lang.String)