netbeans lesson 1

Q1.PROGRAM TO CALCULATE PERCENTAGE.

CODING

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

System.exit(0);        // TODO add your handling code here:

    }

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

txtsn.setText(" ");        // TODO add your handling code here:\

txtmo.setText("");

txtmm.setText(" ");

txtp.setText(" ");

    }

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

String sn= txtsn.getText();

int mo = Integer.parseInt(txtmo.getText());

int mm = Integer.parseInt(txtmm.getText());

double p ;

p=(mo*100)/mm;

txtp.setText(" "+p);

    }