Script Java Kalkulator
package praktikum;
public class Kalkulator extends javax.swing.JFrame {
String angka ;
Double hasil,angka1,angka2;
int operator;
public Kalkulator() {
initComponents();
angka="";
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
jButton10 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
jButton13 = new javax.swing.JButton();
jButton14 = new javax.swing.JButton();
jButton15 = new javax.swing.JButton();
jButton16 = new javax.swing.JButton();
jButton17 = new javax.swing.JButton();
Layar = new javax.swing.JTextField();
jLabel1 = new javax.swing.JLabel();
jButton18 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
setMaximumSize(new java.awt.Dimension(250, 300));
setMinimumSize(new java.awt.Dimension(250, 300));
getContentPane().setLayout(null);
jButton1.setText("1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
getContentPane().add(jButton1);
jButton1.setBounds(10, 74, 39, 23);
jButton2.setText("2");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
getContentPane().add(jButton2);
jButton2.setBounds(55, 74, 39, 23);
jButton3.setText("3");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
getContentPane().add(jButton3);
jButton3.setBounds(100, 74, 39, 23);
jButton4.setText("4");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
getContentPane().add(jButton4);
jButton4.setBounds(10, 108, 39, 23);
jButton5.setText("5");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});
getContentPane().add(jButton5);
jButton5.setBounds(55, 108, 39, 23);
jButton6.setText("6");
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});
getContentPane().add(jButton6);
jButton6.setBounds(100, 108, 39, 23);
jButton7.setText("7");
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});
getContentPane().add(jButton7);
jButton7.setBounds(10, 142, 39, 23);
jButton8.setText("8");
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});
getContentPane().add(jButton8);
jButton8.setBounds(55, 142, 39, 23);
jButton9.setText("9");
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});
getContentPane().add(jButton9);
jButton9.setBounds(100, 142, 39, 23);
jButton10.setText("Clear");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});
getContentPane().add(jButton10);
jButton10.setBounds(145, 74, 82, 23);
jButton11.setText("*");
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton11ActionPerformed(evt);
}
});
getContentPane().add(jButton11);
jButton11.setBounds(145, 108, 39, 23);
jButton12.setText("+");
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});
getContentPane().add(jButton12);
jButton12.setBounds(145, 142, 41, 23);
jButton13.setText("/");
jButton13.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton13ActionPerformed(evt);
}
});
getContentPane().add(jButton13);
jButton13.setBounds(190, 108, 37, 23);
jButton14.setText("-");
jButton14.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton14ActionPerformed(evt);
}
});
getContentPane().add(jButton14);
jButton14.setBounds(192, 142, 37, 23);
jButton15.setText("=");
jButton15.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton15ActionPerformed(evt);
}
});
getContentPane().add(jButton15);
jButton15.setBounds(101, 176, 128, 23);
jButton16.setText("0");
jButton16.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton16ActionPerformed(evt);
}
});
getContentPane().add(jButton16);
jButton16.setBounds(56, 176, 39, 23);
jButton17.setText(".");
jButton17.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton17ActionPerformed(evt);
}
});
getContentPane().add(jButton17);
jButton17.setBounds(10, 176, 40, 23);
getContentPane().add(Layar);
Layar.setBounds(10, 16, 217, 52);
jLabel1.setFont(new java.awt.Font("Tekton Pro", 0, 18)); // NOI18N
jLabel1.setForeground(java.awt.Color.blue);
jLabel1.setText("Lubi's Kalkulator");
getContentPane().add(jLabel1);
jLabel1.setBounds(106, 211, 123, 19);
jButton18.setText("Exit");
jButton18.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton18ActionPerformed(evt);
}
});
getContentPane().add(jButton18);
jButton18.setBounds(10, 210, 86, 23);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="1";
Layar.setText(angka);
}
private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {
angka="";
Layar.setText("0");
}
private void jButton17ActionPerformed(java.awt.event.ActionEvent evt) {
angka+=".";
Layar.setText(angka);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="2";
Layar.setText(angka);
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="3";
Layar.setText(angka);
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="4";
Layar.setText(angka);
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="5";
Layar.setText(angka);
}
private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="6";
Layar.setText(angka);
}
private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="7";
Layar.setText(angka);
}
private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="8";
Layar.setText(angka);
}
private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="9";
Layar.setText(angka);
}
private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {
angka+="0";
Layar.setText(angka);
}
private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {
angka1=Double.parseDouble(angka);
Layar.setText("+");
angka="";
operator=3;
}
private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {
angka1=Double.parseDouble(angka);
Layar.setText("X");
angka="";
operator=1;
}
private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {
angka1=Double.parseDouble(angka);
Layar.setText("/");
angka="";
operator=2;
}
private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {
angka1=Double.parseDouble(angka);
Layar.setText("-");
angka="";
operator=4;
}
private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {
switch(operator){
case 1 :
angka2= Double.parseDouble(angka);
hasil =angka1*angka2;
angka=Double.toString(hasil);
Layar.setText(angka);
break;
case 2 :
angka2=Double.parseDouble(angka);
hasil= angka1/angka2;
angka=Double.toString(hasil);
Layar.setText(angka);
break;
case 3 :
angka2= Double.parseDouble(angka);
hasil= angka1+angka2;
angka=Double.toString(hasil);
Layar.setText(angka);
break;
case 4 :
angka2= Double.parseDouble(angka);
hasil= angka1-angka2;
angka= Double.toString(hasil);
Layar.setText(angka);
break;
default :
break;
}
}
private void jButton18ActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
/**
* @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(Kalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Kalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Kalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Kalkulator.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 Kalkulator().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JTextField Layar;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton13;
private javax.swing.JButton jButton14;
private javax.swing.JButton jButton15;
private javax.swing.JButton jButton16;
private javax.swing.JButton jButton17;
private javax.swing.JButton jButton18;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JLabel jLabel1;
// End of variables declaration
}
Note :
Untuk lebih mudah sobat bisa download script java kalkulator ini beserta hasil outputnya di bawah ini
= = = = = = =
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