@Override public void put(Emp object) { Emp emp = object; String sql; if (emp.getId() == null) { emp.setId(DBSrv.getInstance().getNextId()); sql = "INSERT INTO DDT_EMP(lname,fname,mname,d_hire,d_fire,id) " + "VALUES(?,?,?,?,?,?)"; } else { sql = "UPDATE DDT_EMP SET " + " lname = ?, " + " fname = ?, " + " mname = ?, " + " d_hire = ?, " + " d_fire = ? " + " WHERE id = ?"; } try { PreparedStatement st = conn.prepareStatement(sql); st.setString(1, emp.getLastName()); st.setString(2, emp.getFirstName()); st.setString(3, emp.getMiddleName()); st.setDate(4, DBSrv.UtilToSQL(emp.getHireDate())); st.setDate(5, DBSrv.UtilToSQL(emp.getFireDate())); st.setInt(6, emp.getId()); st.executeUpdate(); } catch (SQLException e) { e.printStackTrace(); } }