After revising the class Quahog as the previous exercise describes, what changes, if any, would you need to make to the method display to ensure that any change it makes to the pen’s color is...

After revising the class Quahog as the previous exercise describes, what changes, if any, would you need to make to the method display to ensure that any change it makes to the pen’s color is temporary? That is, after display completes execution, the pen’s color should be the same as it was before display was called. You might need to consult the documentation for the class Graphics.