Code d'une calculatrice en java Fermé

Question

Bonjour tt le mondeQuelqu'un pourrat il m'aider a trouver le code java d'une calculatrice.Merci d'avance

solida · Accepted Answer

voilà un exemple d'affichage 

*********************
import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 

public class calculette implements ActionListener 
{ 

JTextArea affichage; 

public calculette() 
{ 

JFrame all = new JFrame("Calculatrice" ); 

JPanel back = new JPanel(); 
JPanel clavier = new JPanel(); 
JPanel operation = new JPanel(); 
JPanel clavscien= new JPanel(); 
JPanel egal=new JPanel(); 

egal.setLayout(new BorderLayout()); 
back.setLayout(new BorderLayout()); 
operation.setLayout(new GridLayout(4,1)); 
clavscien.setLayout(new GridLayout(2,1)); 
clavier.setLayout(new GridLayout(4,3)); 

JButton t1 = new JButton("1" ); 
t1.addActionListener(this); 
JButton t2 = new JButton("2" ); 
t2.addActionListener(this); 
JButton t3 = new JButton("3" ); 
t3.addActionListener(this); 
JButton t4 = new JButton("4" ); 
t4.addActionListener(this); 
JButton t5 = new JButton("5" ); 
t5.addActionListener(this); 
JButton t6 = new JButton("6" ); 
t6.addActionListener(this); 
JButton t7 = new JButton("7" ); 
t7.addActionListener(this); 
JButton t8 = new JButton("8" ); 
t8.addActionListener(this); 
JButton t9 = new JButton("9" ); 
t9.addActionListener(this); 
JButton t10 = new JButton("0" ); 
t10.addActionListener(this); 
JButton t11 = new JButton("," ); 
t11.addActionListener(this); 
JButton t12 = new JButton("-" ); 
t12.addActionListener(this); 
JButton plus = new JButton("+" ); 
plus.addActionListener(this); 
JButton moins = new JButton("-" ); 
moins.addActionListener(this); 
JButton fois = new JButton("*" ); 
fois.addActionListener(this); 
JButton divise = new JButton("/" ); 
divise.addActionListener(this); 
JButton carre = new JButton("²" ); 
carre.addActionListener(this); 
JButton cube = new JButton("³" ); 
cube.addActionListener(this); 
JButton tegal = new JButton("=" ); 
tegal.addActionListener(this); 

clavier.add(t1); clavier.add(t2); clavier.add(t3); 
clavier.add(t4); clavier.add(t5); clavier.add(t6); 
clavier.add(t7); clavier.add(t8); clavier.add(t9); 
clavier.add(t10); clavier.add(t11); clavier.add(t12); 

clavscien.add(carre); 
clavscien.add(cube); 
operation.add(plus); 
operation.add(moins); 
operation.add(divise); 
operation.add(fois); 
affichage= new JTextArea(); 
affichage.setLayout(new BorderLayout()); 
egal.add(tegal); 
back.add(affichage,BorderLayout.NORTH); 
back.add(operation,BorderLayout.WEST); 
back.add(clavier,BorderLayout.CENTER); 
back.add(clavscien,BorderLayout.EAST); 
back.add(egal,BorderLayout.SOUTH); 
all.setContentPane(back); 
all.setVisible(true); 
all.pack(); 
} 

public void actionPerformed(ActionEvent evt) 
{ 
String a = evt.getActionCommand(); 
affichage.setText(a); 
} 

}

*************************

Kingpopo · Answer

v'là: http://javanilla.free.fr/scripts/divers/ enfin si ça répond à la question :)[J'erre donc je suis !]

nada · Answer

je veux avoir le code en java de construction d'une calculatrice

amira · Answer

s'il vous plaiez aidez moi à completer ce programme d'une calculatrice en java .je une reponse rapide et merci
import.javx.swing.JoptionPane
public class calculatrice
{public static void main(string[]args)
string ch1,ch2,ch3;
double n1,n2;
ch1=JoptionPane.show.InputDialog("donnez la valeur de l'operateur n°1 : a");
ch2=JoptionPane.show.InputDialog("donnez la valeur de l'operande b");
ch1=JoptionPane.show.InputDialog("donnez la valeur de l'operateur n°2 : c");

n1=Double.ParseDouble(ch1);
n2=Double.ParseDouble(ch2);

..................................
.............

chello · Answer

je veux vraiment voir le clavier de touches numériques et une petite zone de texte qui s'affichent

salma barkia · Answer

programmation d'une calculatrice en java

boudo20 · Answer

code source d'une appli java s'il vous plait? .
...merci

THEJavaMan · Answer

// Calculatrice complète


package Java;

import java.awt.Color;
import java.awt.Event;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.IOException;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.KeyStroke;
import javax.swing.SwingConstants;

	
public class Frame extends JFrame implements ActionListener {
        
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		Frame frame = new Frame();
	}
        private JPanel pan = new JPanel();
        private JMenuBar menubar = new JMenuBar();
        private JMenu menu1 = new JMenu("file");
        private JMenuItem item1 = new JMenuItem("exit");
        private Font calcul = new Font("joan", Font.PLAIN, 40);
        private Font error = new Font("transformers movie", Font.PLAIN, 40);
        private JLabel lab1 = new JLabel("");
        private JLabel lab2 = new JLabel("");
        private JLabel lab3 = new JLabel("");
        private JLabel lab4 = new JLabel("");
        private JLabel lab5 = new JLabel("");
        private JLabel lab6 = new JLabel("");
        private JButton b0 = new JButton ("0");
        private JButton b1 = new JButton ("1");
        private JButton b2 = new JButton ("2");
        private JButton b3 = new JButton ("3");
        private JButton b4 = new JButton ("4");
        private JButton b5 = new JButton ("5");
        private JButton b6 = new JButton ("6");
        private JButton b7 = new JButton ("7");
        private JButton b8 = new JButton ("8");
        private JButton b9 = new JButton ("9");
        private JButton b10 = new JButton ("+");
        private JButton b11 = new JButton ("=");
        private JButton b12 = new JButton ("-");
        private JButton b13 = new JButton ("*");
        private JButton b14 = new JButton ("C");
        private JButton b15 = new JButton (":");
        private JButton b16 = new JButton("²");
        private JButton b17 = new JButton("sup");
        private double result;
        
        public Frame() throws IOException{
        
        this.setTitle("Calculatrice");
        this.setSize(600, 650);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setLocationRelativeTo(null);
        this.setResizable(false);
 
        pan.setLayout(null);
        menubar.setBounds(0, 0, 600, 20);
        lab1.setBounds(0, 140, 260, 40);
        lab2.setBounds(285, 140, 100, 40);
        lab3.setBounds(325, 140, 260, 40);
        lab4.setBounds(0, 140, 600, 40);
        lab5.setBounds(0, 100, 600, 40);
        lab6.setBounds(0, 140, 600, 40);
        lab1.setFont(calcul);
        lab2.setFont(calcul);
        lab3.setFont(calcul);
        lab4.setFont(calcul);
        lab5.setFont(error);
        lab5.setForeground(Color.RED);
        lab6.setFont(error);
        lab6.setForeground(Color.RED);
        lab1.setHorizontalAlignment(SwingConstants.RIGHT);
        lab4.setHorizontalAlignment(SwingConstants.CENTER);
        lab5.setHorizontalAlignment(SwingConstants.CENTER);
        lab6.setHorizontalAlignment(SwingConstants.CENTER);
        
        b0.setBounds(10, 294, 45, 45);
        b0.addActionListener(this);
        b1.setBounds(60, 294, 45, 45);
        b1.addActionListener(this);
        b2.setBounds(110, 294, 45, 45);
        b2.addActionListener(this);
        b3.setBounds(160, 294, 45, 45);
        b3.addActionListener(this);
        b4.setBounds(210, 294, 45, 45);
        b4.addActionListener(this);
        b5.setBounds(260, 294, 45, 45);
        b5.addActionListener(this);
        b6.setBounds(310, 294, 45, 45);
        b6.addActionListener(this);
        b7.setBounds(360, 294, 45, 45);
        b7.addActionListener(this);
        b8.setBounds(410, 294, 45, 45);
        b8.addActionListener(this);
        b9.setBounds(460, 294, 45, 45);
        b9.addActionListener(this);
        b10.setBounds(110, 394, 45, 45);
        b10.addActionListener(this);
        b11.setBounds(310, 394, 45, 45);
        b11.addActionListener(this);
        b12.setBounds(160, 394, 45, 45);
        b12.addActionListener(this);
        b13.setBounds(210, 394, 45, 45);
        b13.addActionListener(this);
        b14.setBounds(550, 20, 45, 45);
        b14.addActionListener(this);
        b15.setBounds(260, 394, 45, 45);
        b15.addActionListener(this);
        b16.setBounds(510, 294, 45, 45);
        b16.addActionListener(this);
        b17.setBounds(495, 20, 55, 45);
        b17.addActionListener(this);
        
        menubar.add(menu1);
        menu1.add(item1);
        item1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E, Event.CTRL_MASK));
        item1.addActionListener(new ActionListener(){
        	public void actionPerformed(ActionEvent arg0) {
        		System.exit(0);
        	}
        });
        
        pan.add(b0);
        pan.add(b1);
        pan.add(b2);
        pan.add(b3);
        pan.add(b4);
        pan.add(b5);
        pan.add(b6);
        pan.add(b7);
        pan.add(b8);
        pan.add(b9);
        pan.add(b10);
        pan.add(b11);
        pan.add(b12);
        pan.add(b13);
        pan.add(b14);
        pan.add(b15);
        pan.add(b16);
        pan.add(b17);
        pan.add(lab1);
        pan.add(lab2);
        pan.add(lab3);
        pan.add(lab4);
        pan.add(lab5);
        pan.add(lab6);
        pan.add(menubar);
        
        this.setContentPane(pan);
        this.setVisible(true);  
        }       
        
        public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			if (e.getSource() == b0) // 0
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "0");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "0");
				}
			}
			if (e.getSource() == b1) // 1
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "1");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "1");
				}
			}
			if (e.getSource() == b2) // 2
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "2");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "2");
				}
			}
			if (e.getSource() == b3) // 3
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "3");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "3");
				}
			}
			if (e.getSource() == b4) // 4
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "4");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "4");
				}
			}
			if (e.getSource() == b5) // 5
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "5");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "5");
				}
			}
			if (e.getSource() == b6) // 6
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "6");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "6");
				}
			}
			if (e.getSource() == b7) // 7
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "7");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "7");
				}
			}
			if (e.getSource() == b8) // 8
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "8");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "8");
				}
			}
			if (e.getSource() == b9) // 9
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
				lab4.setText("");
				if (lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText() + "9");
				}
				if (lab2.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText() + "9");
				}
			}
			if (e.getSource() == b10) // +
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().isEmpty() == false)
				{
					lab2.setText("+");
				}
				if (lab4.getText().isEmpty() == false)
				{
					lab1.setText(lab4.getText());
					lab2.setText("+");
					lab4.setText("");
				}
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
			}
			if (e.getSource() == b11) // =
			{
				if (lab2.getText() == "+")
				{
					try
					{
					    result = (double)Integer.parseInt(lab1.getText()) + (double)Integer.parseInt(lab3.getText());
					    lab4.setText("= " + result);
					}
					catch (Exception e1)
					{
						lab5.setText("syntax error:");
						lab6.setText(e1.getMessage());
					}
				}
				if (lab2.getText() == "-")
				{
					try
					{
					    result = Integer.parseInt(lab1.getText()) - Integer.parseInt(lab3.getText());
					    lab4.setText("= " + result);
					}
					catch (Exception e2)
					{
						lab5.setText("syntax error:");
						lab6.setText(e2.getMessage());
					}
				}
				if (lab2.getText() == "*")
				{
					try
					{
					    result = Integer.parseInt(lab1.getText()) * Integer.parseInt(lab3.getText());
					    lab4.setText("= " + result);
					}
					catch (Exception e3)
					{
						lab5.setText("syntax error:");
						lab6.setText(e3.getMessage());
					}
				}
				if (lab2.getText() == ":")
				{
					try
					{
					    result = (double)Integer.parseInt(lab1.getText()) / (double)Integer.parseInt(lab3.getText());
					    lab4.setText("= " + result);
					}
					catch (Exception e4)
					{
						lab5.setText("syntax error:");
						lab6.setText(e4.getMessage());
					}
				}
				if (lab1.getText().endsWith("²"))
				{
					try
					{
					    lab1.setText(lab1.getText().replace("²", ""));
					    result = (int)Math.pow(Integer.parseInt(lab1.getText()), 2);
					    lab4.setText(result + "");
					}
					catch (Exception e5)
					{
						lab5.setText("syntax error:");
						lab6.setText(e5.getMessage());
					}
				}
				lab1.setText("");
				lab2.setText("");
				lab3.setText("");
			}
			if (e.getSource() == b12) // -
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().isEmpty() == false)
				{
					lab2.setText("-");
				}
				if (lab4.getText().isEmpty() == false)
				{
					lab1.setText(lab4.getText());
					lab2.setText("-");
					lab4.setText("");
				}
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
			}
			if (e.getSource() == b13) // *
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().isEmpty() == false)
				{
					lab2.setText("*");
				}
				if (lab4.getText().isEmpty() == false)
				{
					lab1.setText(lab4.getText());
					lab2.setText("*");
					lab4.setText("");
				}
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
			}
			if (e.getSource() == b14) // erase
			{
				lab1.setText("");
				lab2.setText("");
				lab3.setText("");
				lab4.setText("");
				lab5.setText("");
				lab6.setText("");
			}
			if (e.getSource() == b15) // :
			{
				lab5.setText("");
				lab6.setText("");
				if (lab1.getText().isEmpty() == false)
				{
					lab2.setText(":");
				}
				if (lab4.getText().isEmpty() == false)
				{
					lab1.setText(lab4.getText());
					lab2.setText(":");
					lab4.setText("");
				}
				if (lab1.getText().contains("="))
				{
					lab1.setText(lab1.getText().substring(2));
				}
			}
			if (e.getSource() == b16)
			{
				lab1.setText(lab1.getText() + "²");
			}
			if (e.getSource() == b17)
			{
				if (lab1.getText().isEmpty() == false && lab2.getText().isEmpty() == true)
				{
					lab1.setText(lab1.getText().substring(0, lab1.getText().length() - 1));
				}
				if (lab2.getText().isEmpty() == false && lab3.getText().isEmpty() == true)
				{
					lab2.setText(lab2.getText().substring(0, lab2.getText().length() - 1));
				}
				if (lab2.getText().isEmpty() == false && lab3.getText().isEmpty() == false)
				{
					lab3.setText(lab3.getText().substring(0, lab3.getText().length() - 1));
				}
				if (lab1.getText().isEmpty() == true)
				{
					
				}
			}
		}
        
}

midou · Answer

salut!  
c'est ma petite calculatrice java ;)  
http://programmingeeks.blogspot.com/2012/06/mini-projet-calculatrice-java.html

iba fall · Answer

votre code est tres lisible il se compile sans probleme, merci Solida

med · Answer

ceci peut t'aider:

http://techprogeek.blogspot.com/2012/06/mini-projet-calculatrice-java.html

;)

Code d'une calculatrice en java

11 réponses

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