Learn to Add in Java using NetBeans

Click on jButton and than enter the given code:

double num1 = Double.parseDouble(jTextField1.getText());

        double num2 = Double.parseDouble(jTextField2.getText());

        double num3 = num1 + num2;

        

        jTextField3.setText(""+num3);

Net Payable Amount (GUI) - JAVA Project

Code to add under jButton1

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

        //We will add the function.

        double price = Double.parseDouble(jTextField1.getText());
        double qty = Double.parseDouble(jTextField2.getText());             //double is used for values in points.
     
        double salAmt = price * qty;
        double disc = salAmt * 0.10;
        double netAmt = salAmt - disc;
     
        jTextField3.setText(" "+salAmt);
        jTextField4.setText(" "+disc);
        jTextField5.setText(" "+netAmt);        //Shortcut key used is SHIFT + DOWN ARROW.
    }