Desktop widgets in Java

One of the alternatives you can use to do this is Google Web Toolkit .

  

The Google Web Toolkit is an open-source toolkit that allows you to   developers, create applications with Ajax technology in   Java programming. GWT supports client-server, development and   debugging on any Java IDE.

• Tutorials
• Examples

  

I have an idea to create a widgets with support functionality for my company.

Okay.

  

I would like to know if I saw java I could create something

Yes

  

If there is any framework or some technology in Java where you can create something like this.

Yes, there are. JavaFX, AWT and Swing, for example.

With Swing and AWT you can create an instance of class java.awt.Window and add one or more JComponent to it, as in any Swing application. By instantiating the java.awt.Window class directly, you'll get an empty window, no close button, borders, title bar, or anything else, which is ideal for working with objects that go straight to the desktop like your notifications of chat. You can even make this window have a transparent background if you wish.

I do not understand JavaFX yet, but I think it should be possible with this technology as well.