＜Name StudentID="20040001"＞Bill＜/Name＞中，哪些是数据部分？（）A、NameB、StudentIDC、20040001D、Bill
＜Name StudentID="20040001"＞Bill＜/Name＞中，哪些是数据部分？（）
- A、Name
- B、StudentID
- C、20040001
- D、Bill
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阅读以下说明和Java代码,将应填入( )处的字句写在答题纸的对栏内。 【说明】 现如今线下支付系统可以使用现金(Cash)、移动支付、银行卡( Card)(信用卡( Creditcard)和储蓄卡( Debitcard))等多种支付方式( PaymentMethod)对物品(tem)账单(Bill)进行支付。图 5-1 是某支付系统的略类图。import java. util. Array List;import java. util. List;interface PaymentMethod { Public ( 1 )}∥cash、 Debitcard和ltem 实现略,ltem中getPrice( )取当前物品对象的价格abstract class Card (2) { private final String name, num; public Card(string name, String num){this.name= name; this, num = num; } @Overide public String toString ( ) { return String. format(“%s card[name = %s, num =%s}”, this. getType( ), name, num); @override public void pay(int cents) { System. out. printin(“Payed"+ cents+"cents using"+toString( )); this, execute Transaction(cents); } protected abstract String getType( ): protected abstract void execute Transaction(int cents)}class CreditCard ( 3 ) { public CreditCard(String name, String num){ (4) ;} @Override protected String getType( ){ return"CREDIT";} @Override protected void execute Transaction(int cents) { System. out. Println(cents +"paid using Credit Card. "); }} Class Bill {//包含所有购买商品的账单 private List items =new ArrayList( ); public void add(Item item) { items. add(item): } public intgetTotalPrice( ) {/*计算所有 item 的总价格,代码略*/} public void pay( PaymentMethod paymentMethod) {//用指定的支付方式完成支付(5) (getTotalPrice(): }}public class Paymentsystem { public void pay( ) { Bill bill =new Bill ( ); Item item1 = new Item(1234, 10); Item item2 new Item(“5678”, 40); Bill.add(item1); bill. add(item2);//将物品添加到账单中 Bill.pay(new Creditcard("LI SI”, "98765432101"))∥信用卡支付} public static void main(Stringl args) { (6) = new Paymentsystem( ); payment pay( ); }}
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The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, （）, and kin term.A、title+first nameB、title+titleC、title aloneD、first name+last name+title
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The Bill of Entry usually contains particulars such as value， description of goods， name of the ship， port of shipment， and so on.
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判断题The Bill of Entry usually contains particulars such as value， description of goods， name of the ship， port of shipment， and so on.A对B错
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