The JDBC Specification 4.0 in Appendix B (Data Type Conversion Tables) states the following conversions:
This table also shows the conversions used by the SQLInput reader methods, except that they use only the recommended conversions.
JDBC Type Java Type ------------------------------------------- CHAR String VARCHAR String LONGVARCHAR String NUMERIC java.math.BigDecimal DECIMAL java.math.BigDecimal BIT boolean BOOLEAN boolean TINYINT byte SMALLINT short
TABLE B- 1 JDBC Types Mapped to Java Types
Therefore PreparedStatement.setString(1, String.valueOf(myChar)) should do the trick.