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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileWriter;
import java.io.IOException;
import java.text.NumberFormat;
import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JOptionPane;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
public class Fenetre extends JFrame
{
private JMenuBar menuBar = new JMenuBar();
private JMenu test1 = new JMenu("Fichier");
private JPanel container = new JPanel();
private JFormattedTextField jtf = new JFormattedTextField(NumberFormat.getIntegerInstance());
private JFormattedTextField jtf2 = new JFormattedTextField(NumberFormat.getIntegerInstance());
private JFormattedTextField jtf3 = new JFormattedTextField(NumberFormat.getIntegerInstance());
private JLabel label = new JLabel("<html><center><i><u><br> Merci de bien vouloir entrer une Equation du second degré ci-dessous :</u></i><br>"+"<br><br></center></html>");
private JLabel labe2 = new JLabel("x² + ");
private JLabel labe3 = new JLabel("x + ");
private JLabel labe4 = new JLabel(" = 0");
private JLabel labe5 = new JLabel("<html><center><br><br><br>Réponse :<br><br>"+"</center></html>");
private JButton a = new JButton ("Reset");
private JButton b = new JButton ("Calculer");
private JMenuItem item2 = new JMenuItem("Quitter");
private JMenuItem item3 = new JMenuItem("Historique");
public Fenetre()
{
this.setTitle("::Equation facile::");
this.setSize(500, 390);
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLocationRelativeTo(null);
item2.addActionListener
(
new ActionListener()
{
public void actionPerformed(ActionEvent arg0)
{
System.exit(0);
}
}
);
item3.addActionListener
(
new ActionListener()
{
public void actionPerformed(ActionEvent arg0)
{
Fenetre2 fen2 = new Fenetre2();
}
}
);
this.test1.add(item2);
this.test1.add(item3);
this.menuBar.add(test1);
this.setJMenuBar(menuBar);
container.setBackground(Color.black);
container.setLayout(new BorderLayout());
JPanel top = new JPanel();
Font police = new Font("Arial", Font.ITALIC, 14);
jtf.setFont(police);
jtf.setPreferredSize(new Dimension(80, 30));
jtf.setForeground(Color.black);
jtf2.setFont(police);
jtf2.setPreferredSize(new Dimension(80, 30));
jtf2.setForeground(Color.black);
jtf3.setFont(police);
jtf3.setPreferredSize(new Dimension(80, 30));
jtf3.setForeground(Color.black);
a.addActionListener(new ResetListener());
b.addActionListener(new BoutonListener());
a.setForeground(Color.red);
b.setForeground(Color.black);
top.add(label);
top.add(jtf);
top.add(labe2);
top.add(jtf2);
top.add(labe3);
top.add(jtf3);
top.add(labe4);
top.add(b);
top.add(a);
top.add(labe5);
this.setUndecorated(false);
this.setContentPane(top);
this.setVisible(true);
}
class BoutonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(jtf.getText() == null || jtf.getText().equals(""))
{
jtf.setText("0");
}
if(jtf2.getText() == null || jtf2.getText().equals(""))
{
jtf2.setText("0");
}
if(jtf3.getText() == null || jtf3.getText().equals(""))
{
jtf3.setText("0");
}
int x = Integer.valueOf(jtf.getText().replace(".",""));
int y = Integer.valueOf(jtf2.getText().replace(".",""));
int z = Integer.valueOf(jtf3.getText().replace(".",""));
if((x == 0 && (y!= 0) && (z!= 0)))
{
double result3 = (((double)z*-1) / (y));
labe5.setText("<html><center><br><br><br>Equation du premier degré<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font>"+"<br>La racine est :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#CC0000\">"+result3+"</font><br>--------------</center></html>");
FileWriter writer = null;
String texte7 = "L'équation "+y+"x + "+z+" = 0 est une équation du premier";
String texte8 ="La racine est : " +result3;
try
{
writer = new FileWriter("historique.txt", true);
writer.write(texte7,0,texte7.length());
writer.write("\r\n");
writer.write(texte8,0,texte8.length());
writer.write("\r\n");
}
catch(IOException ex)
{
ex.printStackTrace();
}
finally
{
if(writer != null)
{
try
{
writer.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
else if ((x > 100000 && y > 100000 && z > 100000) || (x < -100000 && y < -100000 && z < -100000) )
{
JOptionPane.showMessageDialog(null, "Les nombres rentré sont trop grands ou trop petits", "Reponse", JOptionPane.INFORMATION_MESSAGE);
}
else
{
int result = y*y;
result = (result) - 4*(x)*(z);
if(result < 0)
{
labe5.setText("<html><center><br><br><br>Le deltat est :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#00669\">"+result+"</font><br>--------------<br><br>Il est négatif, il n'y a donc pas de racine<br>--------------</center></html>");
}
else if ( (result > 0 && (x!= 0))&& ((y!= 0) || (z!= 0)) )
{
double racine = Math.sqrt(result);
double result1 = ((y*-1)+ racine) / (2*x);
double result2 = ((y*-1)- racine) / (2*x);
labe5.setText("<html><center><br><br><br>Le deltat est :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#00669\">"+result+"</font><br>--------------<br><br>Les racines sont :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#CC0000\">"+result1+"<br> et <br>"+result2+"</font><br>--------------</center></html>");
FileWriter writer = null;
String texte = "L'équation "+x+"X² + "+y+"x + "+z+" = 0 à donné pour deltat "+result;
String texte2 =". Les racines sont donc " +result1+" et "+result2;
try
{
writer = new FileWriter("historique.txt", true);
writer.write(texte,0,texte.length());
writer.write("\r\n");
writer.write(texte2,0,texte2.length());
writer.write("\r\n");
}
catch(IOException ex)
{
ex.printStackTrace();
}
finally
{
if(writer != null)
{
try
{
writer.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
else if(result == 0 && (y!= 0) && (z!= 0))
{
double result3 = (((double)y*-1) / (2*x)) ;
labe5.setText("<html><center><br><br><br>Le deltat est :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#00669\">"+result+"</font><br>--------------<br><br>La racine est :<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font><br><font color=\"#CC0000\">"+ result3 +"</font><br>--------------</center></html>");
FileWriter writer = null;
String texte3 = "L'équation "+x+"X² + "+y+"x + "+z+" = 0 à donné pour deltat "+result;
String texte4 ="La racine est donc " +result3;
try
{
writer = new FileWriter("historique.txt", true);
writer.write(texte3,0,texte3.length());
writer.write("\r\n");
writer.write(texte4,0,texte4.length());
writer.write("\r\n");
}
catch(IOException ex)
{
ex.printStackTrace();
}
finally
{
if(writer != null)
{
try
{
writer.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
else if((x == 0) && (y == 0) && (z == 0))
{
labe5.setText("<html><center><br><br><br>Le résultat est infini<br><font color=\"#C0C0C0\">_______________________________________________________________________________________________________________________________</font></center></html>");
jtf.setText("0");
jtf2.setText("0");
jtf3.setText("0");
FileWriter writer = null;
String texte5 = "L'équation est : "+x+"X² + "+y+"x + "+z+" = 0 donne un resultat infini";
try
{
writer = new FileWriter("historique.txt", true);
writer.write(texte5,0,texte5.length());
writer.write("\r\n");
}
catch(IOException ex)
{
ex.printStackTrace();
}
finally
{
if(writer != null)
{
try
{
writer.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
else
{
JOptionPane.showMessageDialog(null, "Impossible, veuillez rentrer une equation correcte", "Reponse", JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
class ResetListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
jtf.setText("");
jtf2.setText("");
jtf3.setText("");
labe5.setText("<html><center><br><br><br>Réponse :<br><br>"+"</center></html>");
}
}
} |
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