private void constructKeys(){
  rowBytes=rowName.getBytes();
  columnFamilyBytes=columnFamilyName.getBytes();
}

private void constructKeys ( ) { rowBytes = rowName . getBytes ( ) ; columnFamilyBytes = columnFamilyName . getBytes ( ) ; }
the values are stored as byte arrays . this method converts string to byte arrays . uses util class in hbase library to do so .
