Java Reference
In-Depth Information
}
blob.free(); // Free the blob and release any
held resources.
}
return true;
}
}
catch (SQLException sqlex)
{
while (sqlex != null)
{
System.err.println("sql
error
:
"+sqlex.getMessage());
System.err.println("sql
state
:
"+sqlex.getSQLState());
System.err.println("error
code:
"+sqlex.getErrorCode());
System.err.println("cause: "+sqlex.getCause());
sqlex = sqlex.getNextException();
}
return false;
}
}
Thismethod,theinverseof
initDB()
,showshowtoobtainaresultset'srowcount
by executing a SQL statement such as
SELECT COUNT(*) FROM PLANETS
, and
how to deserialize a blob's contained object.
an instance of the
javax.swing.JTable
class, which is used to display and edit
regulartwo-dimensionaltablesofcells,andistheperfectcomponentfordisplayingtab-
ular data.
A complete discussion of
JTable
and its many supporting types (in the
javax.swing
and
javax.swing.table
packages) is beyond the scope of this
chapter. Instead, consider the following excerpt from the
createGUI()
method:
TableModel model = new AbstractTableModel()
{
@Override
