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| import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class Calculette extends JFrame implements ActionListener {
JPanel pano;
JTextArea zone;
JButton zero, un, deux, trois, quatre, cinq, six, sept, huit, neuf, plus, egal, moins, virgule;
public Calculette(){
super();
zone = new JTextArea();
zone.setText("");
pano = new JPanel();
zero = new JButton("0");
zero.addActionListener(this);
un = new JButton("1");
un.addActionListener(this);
deux = new JButton("2");
deux.addActionListener(this);
trois = new JButton("3");
trois.addActionListener(this);
quatre = new JButton("4");
quatre.addActionListener(this);
cinq = new JButton("5");
cinq.addActionListener(this);
six = new JButton("6");
six.addActionListener(this);
sept = new JButton("7");
sept.addActionListener(this);
huit = new JButton("8");
huit.addActionListener(this);
neuf = new JButton("9");
neuf.addActionListener(this);
plus = new JButton("+");
plus.addActionListener(this);
moins = new JButton("-");
moins.addActionListener(this);
virgule = new JButton(",");
virgule.addActionListener(this);
egal = new JButton("=");
egal.addActionListener(this);
//mettre en places ts les panneaux
pano.setLayout(new BorderLayout());
pano.add(zone, BorderLayout.NORTH);
pano.setLayout(new GridBagLayout());
GridBagConstraints cont = new GridBagConstraints();
cont.fill = GridBagConstraints.BOTH;
cont.gridx=0;
cont.gridy=0;
cont.gridwidth=4;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(zone,cont);
cont.gridx=0;
cont.gridy=3;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(un,cont);
cont.gridx=1;
cont.gridy=3;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(deux,cont);
cont.gridx=2;
cont.gridy=3;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(trois,cont);
cont.gridx=0;
cont.gridy=2;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(quatre,cont);
cont.gridx=1;
cont.gridy=2;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(cinq,cont);
cont.gridx=2;
cont.gridy=2;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(six,cont);
cont.gridx=0;
cont.gridy=1;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(sept,cont);
cont.gridx=1;
cont.gridy=1;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(huit,cont);
cont.gridx=2;
cont.gridy=1;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(neuf,cont);
cont.gridx=0;
cont.gridy=4;
cont.gridwidth=2;
cont.gridheight=1;
cont.weightx=2;
cont.weighty=1;
pano.add(zero,cont);
cont.gridx=2;
cont.gridy=4;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(virgule,cont);
cont.gridx=3;
cont.gridy=3;
cont.gridwidth=1;
cont.gridheight=2;
cont.weightx=1;
cont.weighty=10;
pano.add(egal,cont);
cont.gridx=3;
cont.gridy=2;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(plus,cont);
cont.gridx=3;
cont.gridy=1;
cont.gridwidth=1;
cont.gridheight=1;
cont.weightx=1;
cont.weighty=1;
pano.add(moins,cont);
setTitle("Calculatrice");
setContentPane(pano);
setVisible(true);
pack();
}
public void actionPerformed (ActionEvent e){
if (e.getSource() == un){
zone.setText("1");
}
if (e.getSource() == deux){
zone.setText("2");
}
if (e.getSource() == trois){
zone.setText("3");
}
if (e.getSource() == quatre){
zone.setText("4");
}
if (e.getSource() == cinq){
zone.setText("5");
}
if (e.getSource() == six){
zone.setText("6");
}
if (e.getSource() == sept){
zone.setText("7");
}
if (e.getSource() == huit){
zone.setText("8");
}
if (e.getSource() == neuf){
zone.setText("9");
}
if (e.getSource() == zero){
zone.setText("0");
}
if (e.getSource() == plus){
zone.setText("+");
}
if (e.getSource() == moins){
zone.setText("-");
}
}
public static void main(String[] args) {
new Calculette();
}
} |
