isSelected pour JRadioButton et JCheckBox
Bonsoir,
J'ai une question qui peut etre parait banale mais je n'arrive pas à comprendre pourquoi la méthode isSelected pour les composants JRadioButton et JCheckBox ne fonctionnent pas malgré le code me semble juste.
S'il vous plait si quelqu'un peut m'aider.
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
| import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Graphic extends JFrame implements ActionListener{
private static final int FRAME_WIDTH = 500;
private static final int FRAME_HEIGHT =500;
private static final int FRAME_X_ORIGIN =250;
private static final int FRAME_Y_ORIGIN =250;
JTextField t1;
JButton b;
JLabel label1, label2, label3;
JCheckBox cbBtn;
JCheckBox cbBtn1;
JCheckBox cbBtn2;
ButtonGroup languageGroup = new ButtonGroup( );
JRadioButton br1,br2,br3;
public static void main(String [] arg){
Graphic frame = new Graphic();
frame.setVisible(true);
}
public Graphic(){
Container contentPane;
setSize (FRAME_WIDTH, FRAME_HEIGHT);
setTitle("My First Frame");
setLocation(FRAME_X_ORIGIN,FRAME_Y_ORIGIN);
contentPane=getContentPane();
contentPane.setBackground(Color.CYAN);
contentPane.setLayout(new FlowLayout());
label1 = new JLabel("Choose your age");
label2 = new JLabel("bbb");
label3 = new JLabel("ccc");
cbBtn= new JCheckBox("18-20 years old");
cbBtn1= new JCheckBox("20-23 years old");
cbBtn2= new JCheckBox("+23 years old");
t1=new JTextField();
b = new JButton("ok");
contentPane.add(label1);
contentPane.add(label2);
contentPane.add(label3);
contentPane.add(cbBtn);
contentPane.add(cbBtn1);
contentPane.add(cbBtn2);
if (cbBtn.isSelected())
{
System.out.println("You age is"+ cbBtn.getText());
}
//else{
// System.out.println("You age is "+ cbBtn2.getText ());
//}
//}
String[] comboBoxItem= {"Woman", "Man"};
JComboBox comboBox = new JComboBox(comboBoxItem);
contentPane.add(comboBox);
//String selection = (String) comboBox.getSelectedItem();
//System.out.println(selection);
t1.setPreferredSize( new Dimension( 200, 24) );
br1 = new JRadioButton("un");
br2 = new JRadioButton("deux");
br3 = new JRadioButton("trois");
// ajout des boutons radio dans le groupe bg
languageGroup.add(br1);
languageGroup.add(br2);
languageGroup.add(br3);
contentPane.add(t1);
contentPane.add(b);
contentPane.add(br1);
contentPane.add(br2);
contentPane.add(br3);
if (br1.isSelected()){
System.out.println("AAAAAAAAA");
}
b.addActionListener(this);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent e)
{
String x=t1.getText();
label1.setText(x);
System.out.println("there !");
}
} |
