package?com.imooc; import?java.util.ArrayList; import?java.util.List; import?java.util.Scanner; public?class?Util?{ public?static?List<ChinaPlayers>?ListChinaPlayers; public?static?List<SpainPlayers>?ListSpainPlayers; public?static?List<YourTeam>?ListYourTeam; public?Util(){ this.ListChinaPlayers?=?new?ArrayList<ChinaPlayers>(); this.ListSpainPlayers?=?new?ArrayList<SpainPlayers>(); this.ListYourTeam?=?new?ArrayList<YourTeam>(); } public?void?add(){ ChinaPlayers?p1?=?new?ChinaPlayers(1,"郜林????",?29,?"邊鋒",75?); ListChinaPlayers.add(p1); ChinaPlayers?p2?=?new?ChinaPlayers(2,"韋世豪",?22,?"中鋒",?75); ListChinaPlayers.add(p2); SpainPlayers?p3?=?new?SpainPlayers(3,"伊斯科",?23,?"前腰",?85,?1); ListSpainPlayers.add(p3); SpainPlayers?p4?=?new?SpainPlayers(4,"莫雷諾",?21,?"后衛(wèi)",?81,?0); ListSpainPlayers.add(p4); } public?static?void?testShow(){ Util?util?=?new?Util(); util.add(); System.out.println("??姓名:???年齡:??位置:??能力:?獎杯數(shù):"); for?(ChinaPlayers?ChinaPlayer?:?ListChinaPlayers)?{ System.out.println(ChinaPlayer.getId()+"、"+ChinaPlayer.getName()+"??????"+ChinaPlayer.getAge()+"????" +ChinaPlayer.getPosition()+"?????????"+ChinaPlayer.getAbility()); } for(SpainPlayers?SpainPlayer?:ListSpainPlayers){ System.out.println(SpainPlayer.getId()+"、"+SpainPlayer.getName()+"??????"+SpainPlayer.getAge()+"????" +SpainPlayer.getPosition()+"?????????"+SpainPlayer.getAbility()+"????"+SpainPlayer.getCupNum()); } } public?static?void?test2(){ Util?util?=?new?Util(); util.add(); Scanner?console?=?new?Scanner(System.in); int?id?=?console.nextInt(); int?i=0; while?(i<ListChinaPlayers.size())?{ if(id==(ListChinaPlayers.get(i).getId())){ YourTeam?p1?=?new?YourTeam(ListChinaPlayers.get(i).getId(), ListChinaPlayers.get(i).getName(), ListChinaPlayers.get(i).getAge() ,ListChinaPlayers.get(i).getPosition(), ListChinaPlayers.get(i).getAbility(),?0); ListYourTeam.add(p1); System.out.println("成功交易"+ListYourTeam.get(i).getName()); break; }else?if(id==(ListSpainPlayers.get(i).getId())){ YourTeam?p1?=?new?YourTeam(ListSpainPlayers.get(i).getId(), ListSpainPlayers.get(i).getName(), ListSpainPlayers.get(i).getAge(), ?ListSpainPlayers.get(i).getPosition(),? ListSpainPlayers.get(i).getAbility(), ListSpainPlayers.get(i).getCupNum()); ListYourTeam.add(p1); System.out.println("成功交易"+ListYourTeam.get(i).getName()); break; }else{ System.out.println("無此球員"); }i++; } } public?void?testShow2(){ System.out.println("當前球隊名單："); System.out.println("姓名:???年齡:??位置:??能力:?獎杯數(shù):"); for?(YourTeam?YourTeam:?ListYourTeam)?{ System.out.println(YourTeam.getName()+"??????"+YourTeam.getAge()+"????" +YourTeam.getPosition()+"?????????"+YourTeam.getAbility());} } public?void?test(){ Util?util?=?new?Util(); System.out.println("歡迎買賣球員"); System.out.println("請問你確定要買賣球員嗎(是：1/否：0)"); Scanner?console?=?new?Scanner(System.in); int?s?=?console.nextInt(); if(s==0){ System.out.println("拜拜");} else?if(s==1){ System.out.println("請選擇您要交易的球員Id："); Util.testShow(); Util.test2(); }else{ System.out.println("對不起，請重新輸入"); util.test(); } } /** ?*?@param?args ?*/ public?static?void?main(String[]?args)?{ Util?util?=?new?Util(); util.test(); util.testShow2(); } } public?class?Player?{ @Override public?int?hashCode()?{ final?int?prime?=?31; int?result?=?1; result?=?prime?*?result?+?ability; result?=?prime?*?result?+?age; result?=?prime?*?result?+?((name?==?null)???0?:?name.hashCode()); result?=?prime?*?result +?((position?==?null)???0?:?position.hashCode()); return?result; } @Override public?boolean?equals(Object?obj)?{ if?(this?==?obj) return?true; if?(obj?==?null) return?false; if?(getClass()?!=?obj.getClass()) return?false; Player?other?=?(Player)?obj; if?(ability?!=?other.ability) return?false; if?(age?!=?other.age) return?false; if?(name?==?null)?{ if?(other.name?!=?null) return?false; }?else?if?(!name.equals(other.name)) return?false; if?(position?==?null)?{ if?(other.position?!=?null) return?false; }?else?if?(!position.equals(other.position)) return?false; return?true; } private??int?id; private??String?name; private??int?age; private??String?position; private??int?ability; public?Player(int?id,String?name,int?age,String?position,int?ability){ this.id?=?id; this.name?=?name; this.age?=?age; this.position?=?position; this.ability?=?ability; } public??String?getName()?{ return?name; } public?void?setName(String?name)?{ this.name?=?name; } public?int?getAge()?{ return?age; } public?void?setAge(int?age)?{ this.age?=?age; } public?String?getPosition()?{ return?position; } public?void?setPosition(String?position)?{ this.position?=?position; } public?int?getAbility()?{ return?ability; } public?void?setAbility(int?ability)?{ this.ability?=?ability; } public?int?getId()?{ return?id; } public?void?setId(int?id)?{ this.id?=?id; }? } public?class?ChinaPlayers?extends?Player?{ public?ChinaPlayers(int?id,String?name,int?age,String?position,int?ability){ super(id,name,age,position,ability); } } public?class?SpainPlayers?extends?Player{ private?int?cupNum; public?SpainPlayers(int?id,String?name,?int?age,?String?position,?int?ability,int?cupNum)?{ super(id,name,?age,?position,?ability); this.setCupNum(cupNum); //?TODO?Auto-generated?constructor?stub } public?int?getCupNum()?{ return?cupNum; } public?void?setCupNum(int?cupNum)?{ this.cupNum?=?cupNum; } } public?class?YourTeam?extends?Player?{ private?int?cupNum; public?YourTeam(int?id,String?name,int?age,String?position,int?ability,int?cupNum)?{ super(id,?name,?age,?position,?ability); this.cupNum?=?cupNum; //?TODO?Auto-generated?constructor?stub } public?int?getCupNum()?{ return?cupNum; } public?void?setCupNum(int?cupNum)?{ this.cupNum?=?cupNum; } }當輸入球員id2或4時，出現(xiàn)bugException in thread "main" java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 at java.util.ArrayList.RangeCheck(ArrayList.java:547) at java.util.ArrayList.get(ArrayList.java:322) at com.imooc.Util.test2(Util.java:56) at com.imooc.Util.test(Util.java:95) at com.imooc.Util.main(Util.java:107)