1. Mouse-click Write a program that displays a panel. When the user clicks the mouse within the panel, an option pane displays the distance of the mouse from the top left corner of the panel. Refer to...

1. Mouse-click Write a program that displays a panel. When the user clicks the mouse within the panel, an option pane displays the distance of the mouse from the top left corner of the panel. Refer to Appendix A to see how to obtain the mouse-click coordinates.

2. Cash register Write a program that represents a cash register. Amounts of money can be entered into a text field and are added to the running total when a button is clicked on. The running total is displayed in another text field. Another button allows the sum to be cleared (made zero).