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1、publicclassPlayCardimplementsStyleValue{//设置成静态，避免这些数据不必要的多存储几次，如果考虑到以后要改的话可以把这两个常量数组写在一个接口里//publicstaticfinalString[]STYLE={"方块","梅花","红心","黑桃"};//publicstaticfinalString[]VALUE={"3","4","5","6","7","8","9","10","J","Q","K","A","2"};//privateintstyle;//设置成int型方便以后比较，都是int的比较，方便使用算
2、法等操作privateintvalue;publicPlayCard(intstyle,intvalue){super();this.style=style;this.value=value;}publicintgetStyle(){returnstyle;}publicvoidsetStyle(intstyle){this.style=style;}publicintgetValue(){returnvalue;}publicvoidsetValue(intvalue){this.value=value;}@OverridepublicStringtoStr
3、ing(){returnSTYLE[this.style]+VALUE[this.value];}}importjava.util.ArrayList;importjava.util.Collections;importjava.util.Comparator;importjava.util.List;publicclassPlayBox{Listlist=newArrayList();//构造方法，将52张牌放入到数组中publicPlayBox(){for(inti=0;i<52;i++){//这里i=0开始，也是为
4、后面算法方便list.add(newPlayCard(i%4,i/4));//取整和取余的结合使用，达到嵌套循环的同样效果}}//洗牌publicvoidshuffle(){Collections.shuffle(list);}//花色排序主导publicvoidsort1(){Collections.sort(list,newComparator(){//可以直接写成匿名内部类@Overridepublicintcompare(PlayCardo1,PlayCardo2){return(o1.getStyle()*13+o1.getVal
5、ue())-(o2.getStyle()*13+o2.getValue());}});}//牌值排序主导publicvoidsort2(){Collections.sort(list,newComparator(){//可以直接写成匿名内部类@Overridepublicintcompare(PlayCardo1,PlayCardo2){return(o1.getValue()*4+o1.getStyle())-(o2.getValue()*4+o2.getStyle());}});}//输出publicvoidshow(){for(Pla
6、yCardp:list){System.out.println(p);}}////因为这个比较器只是在这里用，所以可以写成一个内部类更好,而这个类只定义用了一次，就可以直接定义成匿名内部类//classCardComparatorimplementsComparator{//泛型////@Override//publicintcompare(PlayCardo1,PlayCardo2){//return(o1.getStyle()*13+o1.getValue())-(o2.getStyle()*13+o2.getValue());//}/
7、///}}publicinterfaceStyleValue{publicstaticfinalString[]STYLE={"方块","梅花","红心","黑桃"};publicstaticfinalString[]VALUE={"3","4","5","6","7","8","9","10","J","Q","K","A","2"};}publicclassTestPlayCard{publicstaticvoidmain(String[]args){PlayBoxpb=newPlayBox();pb.shuffle();pb.show();System.
8、out.println("~~~~~~
