Ej2 - Parte 2

//dentro del constructor

        JLabel lbl2 = new JLabel("Nota 2:");
        lbl2.setFont(new Font("Tahoma", Font.PLAIN, 12));
        lbl2.setBounds(35, 66, 46, 25);
        panel.add(lbl2);
        nota2 = new JTextField();
        nota2.setBounds(91, 102, 136, 25);
        panel.add(nota2);

        JLabel lbl3 = new JLabel("Nota 3:");
        lbl3.setFont(new Font("Tahoma", Font.PLAIN, 12));
        lbl3.setBounds(35, 101, 46, 25);
        panel.add(lbl3);
        nota3 = new JTextField();
        nota3.setBounds(91, 67, 136, 25);
        panel.add(nota3);

        JLabel lblTP = new JLabel("TP:");
        lblTP.setFont(new Font("Tahoma", Font.PLAIN, 12));
        lblTP.setBounds(45, 136, 34, 25);
        panel.add(lblTP);
        comboTP = new JComboBox<>(new String[]{"Aprobado", "Desaprobado"});
        comboTP.setBounds(91, 137, 136, 25);
        panel.add(comboTP);

        getContentPane().add(panel);