netbeans Lesson 2

Q2. To calculate the Simple Interest.

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {                                        

System.exit(0);

    }                                       

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

 txtcn.setText(" ");

 txtp.setText(" ");

 txtt.setText(" ");

 txtr.setText(" ");

 txtsi.setText(" ");

 txtta.setText(" ");

    }                                       

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

String cn = txtcn.getText();

int p = Integer.parseInt(txtp.getText());

int t = Integer.parseInt(txtt.getText());

int r = Integer.parseInt(txtr.getText());

double s,ta ;

s = (p * r * t)/100 ;

ta = ( p+s) ;

txtsi.setText(" "+s);

txtta.setText(" "+ta);

    }