예제가 있는데 함 참조해보세요. 

CREATE PROCEDURE PARTS_ON_HAND (IN PARTNUM INTEGER,
OUT COST DECIMAL(7,2),
OUT QUANTITY INTEGER)
EXTERNAL NAME 'parts!onhand'
LANGUAGE JAVA PARAMETER STYLE DB2GENERAL;

CallableStatement stpCall ;
String sql = "CALL PARTS_ON_HAND ( ?,?,? )" ;
stpCall = con.prepareCall( sql ) ; /* con is the connection */
stpCall.setInt( 1, variable1 ) ;
stpCall.setBigDecimal( 2, variable2 ) ;
stpCall.setInt( 3, variable3 ) ;
stpCall.registerOutParameter( 2, Types.DECIMAL, 2 ) ;
stpCall.registerOutParameter( 3, Types.INTEGER ) ;
stpCall.execute() ;
variable2 = stpCall.getBigDecimal(2) ;
variable3 = stpCall.getInt(3) ;