1. import java.awt.*;
   
2. import java.awt.event.*;
   
3. public class CalculatorFrame extends Frame implements ActionListener
   
4. {
   
5. private TextField text1,text2,text3;
   
6. private Button button_1,button_2,button_3,button_4,button_5,button_plus,button_subtract,button_multiply,button_divide,button_cancel;
   
7. private Label label1,label2,label3;
   
8. public CalculatorFrame()
   
9. {
   
10. super("CalculatorFrame");
    
11. 
    
12. this.setSize(320,120);
    
13. this.setBackground(Color.lightGray);
    
14. this.setLocation(300,240);
    
15. this.setLayout(new FlowLayout(FlowLayout.LEFT));
    
16. label1=new Label("shu1:");
    
17. add(label1);
    
18. text1 = new TextField(20);
    
19. text1.addActionListener(this);
    
20. this.add(text1);
    
21. label1=new Label("shu2:");
    
22. add(label2);
    
23. text2 = new TextField(20);
    
24. text2.addActionListener(this);
    
25. this.add(text2);
    
26. label3=new Label("=");
    
27. add(label3);
    
28. text3 = new TextField(20);
    
29. text3.addActionListener(this);
    
30. this.add(text3);
    
31. button_1 = new Button("1");
    
32. button_2 = new Button("2");
    
33. button_3 = new Button("3");
    
34. button_4 = new Button("4");
    
35. button_5 = new Button("5");
    
36. button_plus = new Button("+");
    
37. button_subtract=new Button("-");
    
38. button_multiply=new Button("*");
    
39. button_divide=new Button("/");
    
40. button_cancel = new Button("C");
    
41. this.add(button_1);
    
42. this.add(button_2);
    
43. this.add(button_3);
    
44. this.add(button_4);
    
45. this.add(button_5);
    
46. this.add(button_plus);
    
47. this.add(button_subtract);
    
48. this.add(button_multiply);
    
49. this.add(button_divide);
    
50. this.add(button_cancel);
    
51. button_1.addActionListener(this);
    
52. button_2.addActionListener(this);
    
53. button_3.addActionListener(this);
    
54. button_4.addActionListener(this);
    
55. button_5.addActionListener(this);
    
56. button_plus.addActionListener(this);
    
57. button_subtract.addActionListener(this);
    
58. button_multiply.addActionListener(this);
    
59. button_divide.addActionListener(this);
    
60. button_cancel.addActionListener(this);
    
61. this.setVisible(true);
    
62. 
    
63. this.addWindowListener(new WinClose());
    
64. 
    
65. }
    
66. public void actionPerformed(ActionEvent e)
    
67. { if (e.getSource()==button_plus)
    
68. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())+Float.valueOf(text2.getText())).toString());}
    
69. if (e.getSource()==button_subtract)
    
70. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())-Float.valueOf(text2.getText())).toString()); }
    
71. if (e.getSource()==button_multiply)
    
72. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())*Float.valueOf(text2.getText())).toString());}
    
73. if (e.getSource()==button_divide)
    
74. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())/Float.valueOf(text2.getText())).toString());}
    
75. else
    
76. {text1.setText("");
    
77. text2.setText("");
    
78. text3.setText("");}
    
79. }
    
80. public static void main(String arg[])
    
81. {
    
82. new CalculatorFrame();
    
83. }
    
84. }
    
85. 
    
86. class WinClose implements WindowListener
    
87. {
    
88. public void windowClosing(WindowEvent e)
    
89. {
    
90. System.exit(0);
    
91. }
    
92. public void windowOpened(WindowEvent e) { }
    
93. public void windowActivated(WindowEvent e) { }
    
94. public void windowDeactivated(WindowEvent e) { }
    
95. public void windowClosed(WindowEvent e) { }
    
96. public void windowIconified(WindowEvent e) { }
    
97. public void windowDeiconified(WindowEvent e) { }
    
98. }
    

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1. import java.awt.*;
   
2. import java.awt.event.*;
   
3. public class CalculatorFrame extends Frame implements ActionListener
   
4. {
   
5. private TextField text1,text2,text3;
   
6. private Button button_1,button_2,button_3,button_4,button_5,button_plus,button_subtract,button_multiply,button_divide,button_cancel;
   
7. private Label label1,label2,label3;
   
8. public CalculatorFrame()
   
9. {
   
10. super("CalculatorFrame");
    
11. 
    
12. this.setSize(320,120);
    
13. this.setBackground(Color.lightGray);
    
14. this.setLocation(300,240);
    
15. this.setLayout(new FlowLayout(FlowLayout.LEFT));
    
16. label1=new Label("shu1:");
    
17. add(label1);
    
18. text1 = new TextField(20);
    
19. text1.addActionListener(this);
    
20. this.add(text1);
    
21. label1=new Label("shu2:");
    
22. add(label2);
    
23. text2 = new TextField(20);
    
24. text2.addActionListener(this);
    
25. this.add(text2);
    
26. label3=new Label("=");
    
27. add(label3);
    
28. text3 = new TextField(20);
    
29. text3.addActionListener(this);
    
30. this.add(text3);
    
31. button_1 = new Button("1");
    
32. button_2 = new Button("2");
    
33. button_3 = new Button("3");
    
34. button_4 = new Button("4");
    
35. button_5 = new Button("5");
    
36. button_plus = new Button("+");
    
37. button_subtract=new Button("-");
    
38. button_multiply=new Button("*");
    
39. button_divide=new Button("/");
    
40. button_cancel = new Button("C");
    
41. this.add(button_1);
    
42. this.add(button_2);
    
43. this.add(button_3);
    
44. this.add(button_4);
    
45. this.add(button_5);
    
46. this.add(button_plus);
    
47. this.add(button_subtract);
    
48. this.add(button_multiply);
    
49. this.add(button_divide);
    
50. this.add(button_cancel);
    
51. button_1.addActionListener(this);
    
52. button_2.addActionListener(this);
    
53. button_3.addActionListener(this);
    
54. button_4.addActionListener(this);
    
55. button_5.addActionListener(this);
    
56. button_plus.addActionListener(this);
    
57. button_subtract.addActionListener(this);
    
58. button_multiply.addActionListener(this);
    
59. button_divide.addActionListener(this);
    
60. button_cancel.addActionListener(this);
    
61. this.setVisible(true);
    
62. 
    
63. this.addWindowListener(new WinClose());
    
64. 
    
65. }
    
66. public void actionPerformed(ActionEvent e)
    
67. { if (e.getSource()==button_plus)
    
68. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())+Float.valueOf(text2.getText())).toString());}
    
69. if (e.getSource()==button_subtract)
    
70. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())-Float.valueOf(text2.getText())).toString()); }
    
71. if (e.getSource()==button_multiply)
    
72. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())*Float.valueOf(text2.getText())).toString());}
    
73. if (e.getSource()==button_divide)
    
74. {text3.setText(Float.valueOf(Float.valueOf(text1.getText())/Float.valueOf(text2.getText())).toString());}
    
75. else
    
76. {text1.setText("");
    
77. text2.setText("");
    
78. text3.setText("");}
    
79. }
    
80. public static void main(String arg[])
    
81. {
    
82. new CalculatorFrame();
    
83. }
    
84. }
    
85. 
    
86. class WinClose implements WindowListener
    
87. {
    
88. public void windowClosing(WindowEvent e)
    
89. {
    
90. System.exit(0);
    
91. }
    
92. public void windowOpened(WindowEvent e) { }
    
93. public void windowActivated(WindowEvent e) { }
    
94. public void windowDeactivated(WindowEvent e) { }
    
95. public void windowClosed(WindowEvent e) { }
    
96. public void windowIconified(WindowEvent e) { }
    
97. public void windowDeiconified(WindowEvent e) { }
    
98. }
    

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