中国大学MOOC: There are following business statements for an information system:①A customer submit 0 or more orders;②An order can only be submitted by one customer. There are two classes in the system “Customer” and “Order”. For each instance of Order Class, there are ____ instance(s) of Customer Class; while for each instance of Customer Class, there are ____ instance(s) of Order Class.
(1) 1 (2) 0 or more
举一反三
- There are following business statements for an information system:①A customer submit 0 or more orders;②An order can only be submitted by one customer. There are two classes in the system “Customer” and “Order”. For each instance of Order Class, there are ____ instance(s) of Customer Class; while for each instance of Customer Class, there are ____ instance(s) of Order Class. A: (1) 1 (2) 1 B: (1) 1 (2) 1 or more C: (1) 1 (2) 0 or more D: (1) 0 or more (2) 1
- Which of the following is the order of applying object-oriented concept in programming A: instance creating — class defining — use attributes or methods through the instance B: class defining — instance creating — use attributes or methods through the instance C: instance creating — use attributes or methods through the instance — class defining D: class defining — use attributes or methods through the instance —instance creating
- 在选项类图中，哪个类图中的类Order所生成的代码如下（ ） public class Order{ public Customer recipient; }
- 在选项类图中，哪个类图中的类Order所生成的代码如下（）public class Order{public Customer recipient;}
- What does the customer order?
内容
- 0
定义类的关键字是 ( ) A: Class B: class C: Instance D: instance
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中国大学MOOC: What can a presenter choose to do in order to introduce a product to a target customer?
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If a customer is dissatisfied with the execution of his order, he will _____.
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If a customer order arrives when product is not available
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From an operations perspective, market segmentation is important because A: Order qualifiers may differ by customer segment B: Both order winners and qualifiers may differ by customer segment C: Market segmentation is not relevant to operations D: Order winners may differ by customer segment