Saturday, January 5, 2013

Manually create GUI application of Hello World on NetBeans 7.2.1

Application wizard of Java Desktop Application missed in my current NetBeans 7.2.1 (refer to my old post "HelloNetBeans: Create Java Desktop Application using NetBeans IDE"). Is it anything wrong in my setting? Or because JSR-296 (Swing Application Framework) is no longer developed...? Anyway, this post describe how to create GUI application manually.

To start-up Swing (Not JavaFX) GUI Desktop Application in NetBeans, we have to create a Java Application with GUI container. In this example, we will create a dummy GUI Application with JFrame.

New a project, without main class:

- Select Category of Java, and Project Java Application.

- Change the Project Name to HelloGUI, make sure the box Create Main Class UN-checked.

- A start-up project will be generated.

Next, Add GUI container of JFrame:

- Right click on your project, and select New JFrame.

- Enter your Class Name of MyFrame and Package my.hellogui.

- A JFrame will be added.

Assign main class:

- Try to run your project, Run -> Run Project (F6).

- You will be complained your project does not have a main class set. Now you can select your main class (my.hellogui.MyJFrame) from the selection box.


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