IntelliJ IDEA's GUI Designer provides several ways to create new instances of the same component on a form without returning to the Component Palette.
- Click the desired component in the Palette.
- Keeping the Ctrl button pressed, click the target locations in the form.
- Release the Ctrl button when ready.
- Select one or more components in the Form Workspace or in the Components Treeview.
- Keeping the Ctrl button depressed, drag the selected component to the new locations.
- Click each target location to create a new instance of the component.
- Release the Ctrl button when ready.