public void createNewProject(String name, String desc, String startingDate, String expectedFinishDate) throws SQLException {
        String url = "jdbc:postgresql://158.75.112.103:55655/pz2020";
        String user = "pz2020";
        String password = "P3zetka";
        Connection conn = DriverManager.getConnection(url, user, password);

        //String name = "siema";
        //String desc = "SIEMANOELOELOELO";
        //Date startingDate= new Date(2020, 01, 01);
        //Date expectedFinishDate = new Date(2020, 10, 10);

        CallableStatement cst = conn.prepareCall("SELECT * FROM func_create_new_project(?, ?, ?, ?)");
        cst.setString(1, name);
        cst.setString(2, desc);
        //cst.setDate(3, startingDate);
        //cst.setDate(4, expectedFinishDate);
        cst.setString(3, startingDate); //generalnie powinienes wyjebac te linijkę i te nizej i odkomentowac te dwie linijki wyzej z setDate, i wtedy date deklarowac jako te date kilka linijek wyzej
        cst.setString(4, expectedFinishDate);

        ResultSet rs = cst.executeQuery();
        while(rs.next()){
            System.out.print(rs.getInt(1));
            //setNewId(rs.getInt(1));
        }
        rs.close();
        cst.close();
    }