PROGRAM KODE ASCII

Listing Program
package testascii.app;

import javax.swing.JOptionPane;

public class TestAscii extends javax.swing.JFrame {

    public TestAscii() {

        initComponents();

    }

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                        

         String str = jTextField1.getText() ;

     long num = Long.parseLong ( str ) ;

     long rem;

        while ( num > 0 ){

       rem = num % 10 ;

       num = num / 10 ;

       if ( rem != 0 && rem != 1 ){

         JOptionPane.showMessageDialog( null,"Ini bukan bilangan biner" ) ;

       }

     }

     int i= Integer.parseInt ( str, 2 ) ;

     jTextField2.setText(String.valueOf(i));

     jLabel3.setText(String.valueOf((char) i));

    }                 

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         

for(int i=0;i<=128;i++)

        {

            jTextArea1.append("Codenya: "+i+" ASCII NYA:"+String.valueOf((char)i)+"\n");

        }   

   public static void main(String args[]) {

      

        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {

                new TestAscii().setVisible(true);

            }

        });

    }

    // Variables declaration - do not modify                    

    private javax.swing.JButton jButton1;

    private javax.swing.JButton jButton2;

    private javax.swing.JLabel jLabel1;

    private javax.swing.JLabel jLabel2;

    private javax.swing.JLabel jLabel3;

    private javax.swing.JScrollPane jScrollPane1;

    private javax.swing.JTextArea jTextArea1;

    private javax.swing.JTextField jTextField1;

    private javax.swing.JTextField jTextField2;

    // End of variables declaration                  

}

Output