update

DEV.2.1/TP/TP8-Evenements/3.Radio/MainRadio.java

@@ -0,0 +1,17 @@
+import javax.swing.*; 
+import java.awt.*; 
+
+public class MainRadio {
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Radio");
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+
+		Radio panel = new Radio(); 
+
+		frame.add(panel);
+		frame.setSize(500,500);
+		frame.setLocation(500,250);
+    	frame.setVisible(true);
+	}
+}

DEV.2.1/TP/TP8-Evenements/3.Radio/Radio.java

@@ -0,0 +1,39 @@
+import java.awt.*; 
+import java.awt.event.*; 
+import javax.swing.*; 
+
+public class Radio extends JPanel implements ActionListener {
+    private JRadioButton Cyan, Magenta, Jaune; 
+    
+    public Radio() {
+        super();
+        this.setLayout(null);
+
+        this.Cyan = new JButton("Cyan");
+        this.Magenta = new JButton("Magenta");
+        this.Jaune = new JButton("Jaune");
+
+        this.Cyan.setBounds(100, 50, 100, 30);
+        this.Magenta.setBounds(220, 50, 100, 30);
+        this.Jaune.setBounds(340, 50, 100, 30);
+
+        this.Cyan.addActionListener(this);
+        this.Magenta.addActionListener(this);
+        this.Jaune.addActionListener(this);
+        
+        this.add(this.Cyan);
+        this.add(this.Magenta);
+        this.add(this.Jaune);
+    }
+
+    @Override
+    protected void actionPerformed(ActionEvent evenement) {
+        if (evenement.getSource() == this.Cyan) {
+            this.setBackground(Color.CYAN);
+        } else if (evenement.getSource() == this.Magenta) {
+            this.setBackground(Color.MAGENTA);
+        } else if (evenement.getSource() == this.Jaune) {
+            this.setBackground(Color.YELLOW); 
+        }
+    }
+}