How to pass a in parameter to a stored procedure?

//insertDBUSER is stored procedure
String insertStoreProc = "{call insertDBUSER(?,?,?,?)}";
callableStatement = dbConnection.prepareCall(insertStoreProc);
callableStatement.setInt(1, 1000);
callableStatement.setString(2, "mkyong");
callableStatement.setString(3, "system");
callableStatement.setDate(4, getCurrentDate());
callableStatement.executeUpdate();