Object Oriented Programming Through Java by Pearson

AWT User Interface Components 9.29

35. button2.addActionListener(obj);

36. buttons.add(button1);

37. buttons.add(button2);

38. Panel card1 = new Panel();

39. card1.add(new Label(“Capital of India: New Delhi”));

40. Panel card2 = new Panel();

41. card2.add(new TextField(“Enter Capital of USA “));

42. cl = new CardLayout();

43. cards = new Panel();

44. cards.setLayout(cl);

45. cards.add(card1, INDIA);

46. cards.add(card2, UNITEDSTATES);

47. setLayout(new BorderLayout());

48. add(cards, BorderLayout.NORTH);

49. add(buttons, BorderLayout.SOUTH);

50. }

51. class HandleEvent implements ActionListener{

52. public void actionPerformed(ActionEvent e) {

a. Object src = e.getSource();

b. if (src == button1)

i. cl.show(cards,INDIA ); ...