Razvan 3

btBtnAdauga.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/student", "user", "pass");
            Statement stmt = connection.createStatement();
            stmt.executeUpdate(
            "INSERT INTO colocviu ('nume', 'prenume', 'nationalitate', 'tara') VALUES " +
            "(" + tf0 + ", " + tf1 + ", " + bG.getSelection().getActionCommand() + ", " + dataComboTara.getSelectedItem().toString() + ")");
        }
    });