java实验10ChangeBallColor

Create an application ChangeBallColor that displays a panel. This panel will contain two buttons (one for red and one for blue). It will also display a filled in circle. When the user clicks on a button, the circle should change to that color. So, if a user clicks the blue button, the circle wil

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     文件        4889  2020-06-11 20:32  java实验10（ChangeBallColor）.rar