In this tutorial you will learn the basics to creating a calculator with a graphical user interface. I use NetBeans for this, I highly suggest you use NetBeans or a similar IDE(Integrated Development Enviornment). You will also need Java 7 for the Nimbus look and feel. In this tutorial you will learn about using the ActionListener and the building of a GUI.

I didn't find the right solution from the Internet.

References ... ng-jframe/

Whiteboard video