wow le tp là

DEV3.1/TP03/01_Boutons/Fenetre.java

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+import java.awt.*;
+import javax.swing.*;
+
+public class Fenetre extends JFrame {
+
+	public Fenetre() {
+		this.setSize(300, 200);
+		this.setLocation(100, 100);
+
+		GridBagLayout layout = new GridBagLayout();
+
+		this.setLayout(layout);
+
+		GridBagConstraints gbc = new GridBagConstraints();
+
+		JButton b1 = new JButton("1");
+		JButton b2 = new JButton("2");
+		JButton b3 = new JButton("3");
+		JButton b4 = new JButton("4");
+		JButton b5 = new JButton("5");
+
+		gbc.gridx = 0;
+		gbc.gridy = 0;
+		gbc.gridwidth = 2;
+		gbc.gridheight = 1;
+		gbc.fill = GridBagConstraints.BOTH;
+		gbc.weightx = 1.0;
+		gbc.weighty = 1.0;
+
+		this.add(b1, gbc);
+
+		gbc.gridx = 2;
+		gbc.gridy = 0;
+		gbc.gridwidth = 1;
+		gbc.gridheight = 2;
+
+		this.add(b2, gbc);
+
+		gbc.gridx = 1;
+		gbc.gridy = 2;
+		gbc.gridwidth = 2;
+		gbc.gridheight = 1;
+
+		this.add(b3, gbc);
+
+		gbc.gridx = 0;
+		gbc.gridy = 1;
+		gbc.gridwidth = 1;
+		gbc.gridheight = 2;
+
+		this.add(b4, gbc);
+
+		gbc.gridx = 1;
+		gbc.gridy = 1;
+		gbc.gridwidth = 1;
+		gbc.gridheight = 1;
+		gbc.weightx = 0.0;
+		gbc.weighty = 0.0;
+
+		this.add(b5, gbc);
+		this.addWindowListener(new WindowControler(this));
+	}
+
+}

DEV3.1/TP03/01_Boutons/Main.java

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+public class Main {
+	public static void main(String[] args) {
+		Fenetre fenetre = new Fenetre();
+		fenetre.setVisible(true);
+	}
+}

DEV3.1/TP03/01_Boutons/WindowControler.java

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+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.WindowListener;
+import java.awt.event.WindowEvent;
+
+public class WindowControler implements WindowListener {
+
+	private Fenetre fenetre;
+
+	public WindowControler(Fenetre fenetre) {
+		this.fenetre = fenetre;
+	}
+
+	public void windowActivated(WindowEvent evenement) {
+
+	}
+
+
+	public void windowClosed(WindowEvent evenement) {
+
+	}
+
+
+	public void windowClosing(WindowEvent evenement) {
+		int resultat = JOptionPane.showConfirmDialog(fenetre, null);
+		if (resultat == JOptionPane.YES_OPTION) {
+			fenetre.dispose();
+		} 
+	}        // avant fermeture
+
+
+	public void windowDeactivated(WindowEvent evenement) {
+
+	}   
+
+
+	public void windowDeiconified(WindowEvent evenement) {
+
+	}  
+
+
+	public void windowIconified(WindowEvent evenement) {
+
+	}      
+
+
+	public void windowOpened(WindowEvent evenement) {
+
+	}   
+}