Use netbeans to create software applications such as image above.
The first thing is to make sure your new project and put this script in netbeans your editing software.
Netbeans application to calculate area of a circle.
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* LuasLingkaran.java
*
* Created on Oct 27, 2011, 12:01:11 PM
*/
/**
*
* @author VHEROLLY__http://netbeansexercise.blogspot.com__
*/
import javax.swing.JOptionPane;
public class LuasLingkaran extends javax.swing.JFrame {
/** Creates new form LuasLingkaran...
