2010 AP Computer Science A 计算机科学A真题系列之简答题免费下载

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2010 AP Computer Science A Free-Response Questions Free Download

2010 AP 计算机科学A简答题部分免费下载

此套题仅 p II含有简答题，

共计时1小时45分钟，共4题

占总分50%

每道大题可能含有不同数量的小题

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1）An organization raises money by selling boxes of cookies. A cookie order specifies the variety of cookie and the number of boxes ordered. The declaration of the CookieOrder class is shown below.

The MasterOrder class maintains a list of the cookies to be purchased. The declaration of the MasterOrder class is shown below.

1. The getTotalBoxes method computes and returns the sum of the number of boxes of all cookie orders. If there are no cookie orders in the master order, the method returns 0.
   Complete method getTotalBoxes below.
2. The removeVariety method updates the master order by removing all of the cookie orders in which the variety of cookie matches the parameter cookieVar. The master order may contain zero or more cookie orders with the same variety as cookieVar. The method returns the total number of boxes removed from the master order.
   For example, consider the following code segment.
   After the code segment has executed, the contents of the master order are as shown in the following table.
   The method call goodies.removeVariety("Chocolate Chip") returns 4 because there were two Chocolate Chip cookie orders totaling 4 boxes. The master order is modified as shown below.
   The method call goodies.removeVariety("Brownie") returns 0 and does not change the master order.
   Complete method removeVariety below.