纸牌游戏： 共有Card，CardPile，DeckPail，DiscardPail,SuitPile,TablePail,Solitare七个类。 1，Card类： Card类主要用于建立纸牌，共有以下几个属性， Card(int, int) rank() suit() faceUp() flip() color() draw(Graphics, int, int) width : int height : int red : int black : int heart : int spad
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