To Create a new GUI application project :
1. Click File then New Project command. Alternately, you can press Ctrl + Shift + N.
2. In Category pane, select Java node and in Project pane, choose Java Application. Click Next.
3. Enter desired name in Project Name field and specify project location.
4. Leave Use Dedicated Folder for Storing Libraries checkbox unselected.
5. Ensure that Set as Main Project checkbox is selected and clear the Create Main Class field.
6. Finally , click Finish button.
7. Next, you need to first add a frame window to your project.
For this, on top left pane, under Projects tab, right click on your project's name and select New. From sub-menu, select JFrame Form.
8. In next Dialog, specify name of new frame being added in box next to Class Name and click Finish.
Watch the tutorial from here on YouTube.
https://www.youtube.com/watch?v=pVEtT0qb1is
