Hi, because bugparade is not working, I post this here :-(
There could be: public <T> T read() throws SQLException; public <T> void write(T obj) throws SQLException; Alternatively, maybe readObject(), writeObject() could be re-engineered with generic API. All other methods then could be deprecated ! E.g. in javax.sql.rowset.serial.SQLInputImpl the code simply could be: (private getNextAttribute() could be dropped) // rename Object[] attrib to attribs !!! public <T> T readObject() throws SQLException { if (++idx >= attribs.length) { throw new SQLException("SQLInputImpl exception: Invalid read " + "position"); } Object attrib = attribs[idx]; lastValueWasNull = attrib == null; if (attrib instanceof Struct) { ... ... ... } return (T)attrib; } -Ulf