/** * * @author AMIT RAWAT */public class atm extends javax.swing.JFrame {
private double total1=0.0;
private double total2=0.0;
private char math_operator ;
private void getOperator(String bt)
{
math_operator =bt.charAt(0);
total1=total2 + Double.parseDouble(t1.getText());
t1.setText("");
}
public atm() {
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
ba = new javax.swing.JButton();
bs = new javax.swing.JButton();
bm = new javax.swing.JButton();
bd = new javax.swing.JButton();
t1 = new javax.swing.JTextField();
b1 = new javax.swing.JButton();
b2 = new javax.swing.JButton();
b3 = new javax.swing.JButton();
b4 = new javax.swing.JButton();
b5 = new javax.swing.JButton();
b6 = new javax.swing.JButton();
b7 = new javax.swing.JButton();
b8 = new javax.swing.JButton();
b9 = new javax.swing.JButton();
b0 = new javax.swing.JButton();
eq = new javax.swing.JButton();
jButton1 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
ba.setText("+");
ba.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
baActionPerformed(evt);
}
});
bs.setText("-");
bs.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bsActionPerformed(evt);
}
});
bm.setText("*");
bm.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bmActionPerformed(evt);
}
});
bd.setText("/");
bd.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bdActionPerformed(evt);
}
});
t1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
b1.setText("1");
b1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b1ActionPerformed(evt);
}
});
b2.setText("2");
b2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b2ActionPerformed(evt);
}
});
b3.setText("3");
b3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b3ActionPerformed(evt);
}
});
b4.setText("4");
b4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b4ActionPerformed(evt);
}
});
b5.setText("5");
b5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b5ActionPerformed(evt);
}
});
b6.setText("6");
b6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b6ActionPerformed(evt);
}
});
b7.setText("7");
b7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b7ActionPerformed(evt);
}
});
b8.setText("8");
b8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b8ActionPerformed(evt);
}
});
b9.setText("9");
b9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b9ActionPerformed(evt);
}
});
b0.setText("0");
b0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
b0ActionPerformed(evt);
}
});
eq.setText("=");
eq.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
eqActionPerformed(evt);
}
});
jButton1.setText("clear");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jLabel1.setFont(new java.awt.Font("Tahoma", 0, 24)); // NOI18N
jLabel1.setText("CALCULATOR");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup
(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap
(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent
(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 177,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(104, 104, 104))
.addGroup(layout.createSequentialGroup()
.addGap(34, 34, 34)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent
(t1, javax.swing.GroupLayout.PREFERRED_SIZE, 388, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent
(b1, javax.swing.GroupLayout.DEFAULT_SIZE, 61, Short.MAX_VALUE)
.addComponent
(b4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent
(b7, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent
(b0, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(29, 29, 29)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup
(layout.createSequentialGroup()
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent
(b8, javax.swing.GroupLayout.DEFAULT_SIZE, 53, Short.MAX_VALUE)
.addComponent
(b5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent
(b2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(29, 29, 29)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent
(b6, javax.swing.GroupLayout.DEFAULT_SIZE, 51, Short.MAX_VALUE)
.addComponent
(b3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addComponent
(b9, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup
(layout.createSequentialGroup()
.addComponent(jButton1)
.addGap(28, 28, 28)
.addComponent
(eq, javax.swing.GroupLayout.DEFAULT_SIZE, 50, Short.MAX_VALUE)))
.addGap(59, 59, 59)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent
(bd, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent
(bs, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent
(ba, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent
(bm, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addContainerGap(25, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent
(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 37,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(28, 28, 28)
.addComponent
(t1, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(28, 28, 28)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup
(layout.createSequentialGroup()
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup
(layout.createSequentialGroup()
.addComponent
(b1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent
(b4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGroup
(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addComponent(b3)
.addGap(20, 20, 20)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(b6)
addComponent(bs))))
.addGap(18, 18, 18)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(b7,
javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(b8))
.addGroup
(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(b9)
.addComponent(bm))))
.addGroup
(layout.createSequentialGroup()
.addComponent(b2)
.addGap(20, 20, 20)
.addComponent(b5)))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup
(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(b0)
.addGroup(layout.createParallelGroup
(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(eq)
.addComponent(bd))))
.addComponent(ba))
.addContainerGap(40, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void b1ActionPerformed(java.awt.event.ActionEvent evt) {
String b1text=t1.getText()+ b1.getText();
t1.setText(b1text);
}
private void b2ActionPerformed(java.awt.event.ActionEvent evt) {
String b2text=t1.getText()+ b2.getText();
t1.setText(b2text);
}
private void b3ActionPerformed(java.awt.event.ActionEvent evt) {
String b3text=t1.getText()+ b3.getText();
t1.setText(b3text);
}
private void b4ActionPerformed(java.awt.event.ActionEvent evt) {
String b4text=t1.getText()+ b4.getText();
t1.setText(b4text);
}
private void b5ActionPerformed(java.awt.event.ActionEvent evt) {
String b5text=t1.getText()+ b5.getText();
t1.setText(b5text);
}
private void b6ActionPerformed(java.awt.event.ActionEvent evt) {
String b6text=t1.getText()+ b6.getText();
t1.setText(b6text);
}
private void b7ActionPerformed(java.awt.event.ActionEvent evt) {
String b7text=t1.getText()+ b7.getText();
t1.setText(b7text);
}
private void b8ActionPerformed(java.awt.event.ActionEvent evt) {
String b8text=t1.getText()+ b8.getText();
t1.setText(b8text);
}
private void b9ActionPerformed(java.awt.event.ActionEvent evt) {
String b9text=t1.getText()+ b9.getText();
t1.setText(b9text);
}
private void b0ActionPerformed(java.awt.event.ActionEvent evt) {
String b0text=t1.getText()+ b0.getText();
t1.setText(b0text);
}
private void baActionPerformed(java.awt.event.ActionEvent evt) {
String bt=ba.getText();
getOperator (bt);
}
private void eqActionPerformed(java.awt.event.ActionEvent evt) {
switch(math_operator)
{
case '+':
total2=total1+Double.parseDouble(t1.getText());
break;
case '-':
total2=total1-Double.parseDouble(t1.getText());
break;
case '*':
total2=total1*Double.parseDouble(t1.getText());
break;
case '/':
total2=total1/Double.parseDouble(t1.getText());
break;
}
t1.setText(Double.toString( total2));
total1=0;
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
total2=0;
t1.setText("");
}
private void bsActionPerformed(java.awt.event.ActionEvent evt) {
String bt=bs.getText();
getOperator (bt);
}
private void bmActionPerformed(java.awt.event.ActionEvent evt) {
String bt=bm.getText();
getOperator (bt);
}
private void bdActionPerformed(java.awt.event.ActionEvent evt) {
String bt=bd.getText();
getOperator (bt);
}
/** * @param args the command line arguments */
public static void main(String args[]) {
/* * Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code
(optional) "> /*
* If Nimbus (introduced in Java SE 6) is not available, stay with the
* default look and feel. For details see
* http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/ try {
for (javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger
(atm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger
(atm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger
(atm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger
(atm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* * Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new atm().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton b0;
private javax.swing.JButton b1;
private javax.swing.JButton b2;
private javax.swing.JButton b3;
private javax.swing.JButton b4;
private javax.swing.JButton b5;
private javax.swing.JButton b6;
private javax.swing.JButton b7;
private javax.swing.JButton b8;
private javax.swing.JButton b9;
private javax.swing.JButton ba;
private javax.swing.JButton bd;
private javax.swing.JButton bm;
private javax.swing.JButton bs;
private javax.swing.JButton eq;
private javax.swing.JButton jButton1;
private javax.swing.JLabel jLabel1;
private javax.swing.JTextField t1;
// End of variables declaration}
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