a) Using the noun technique, read through this case and identify all the nouns that may be important for this system. You may also find it helpful to read back through the case descriptions for "On the Spot Courier Services" in previous chapters.

b) Once you have identified all the nouns, identify which are classes and which are attributes of these primary classes. Begin constructing a class diagram based on the classes and attributes you have identified.

c) Now that you have identified the classes, determine what the relationships should be between the classes. Add multiplicity constraints, being especially cognizant of zero-to-many versus one-to-many differences.

d) Finalize the class diagram, including all your classes, attributes, relationships, and multiplicity constraints.

Submit your final version of the class diagram.

On the Spot Courier Services On the Spot courier services grew and changed over was, where the pickup location was, and what date the years. At first, Bill received requests for package and time the package(s) would be ready for pickup. He pickups on his mobile phone, recorded that inform also recorded the date and time that he received the tion in a log, and would then drive around to retrieve order. A delivery order was considered open" until all the packages later in the day. However, he soon the delivery van arrived at the pickup location and the discovered that with another driver, it was difficult packages were all retrieved. At that point, the del to coordinate pickups between the two of them from order was satisfied. his van. It was not long before he reorganized his business and turned the warehouse employee into a age needed to be uniquely identfied. B needed to driver. Then, he stayed in the warehouse himself, and know when it was picked up and which delivery his two employees made all the pickups and deliv ies. This worked well because he could control and the deliver to" entity name and the address. He also coordinate the pickups and deliveries better. It was needed to identify the type of delivery. Some pack- also easier for him to receive pickup requests working ages were high priority, requiring same-day delivery. at a desk rather than trying to do it while driving a Others were overnight. Of course, the weight and cost delivery van. Once the packages were retrieved, each pack son picked it up. Other important information was were recorded so the customer could either pay or have As he thought about how his business was grow it added to the monthly invoice. ing and the services he provided to his customers, Bill began to itemize the kinds of information he would most important information requirements is the date need to maintain. In the courier and delivery business, one of the and time stamp. For each package, it is important to know when it was picked up, when it arrived at the Of course, he needed to maintain information about his customers. Some of his customers were warehouse, when it went back out on the delivery businesses; some were individuals. He needed to have run, and when it was delivered. When basic address and contact information for every cus also important to have names associated with each of tomer. Also, for his corporate customers, he needed to these events. identify a primary contact person. It was mostly his corporate customers who wanted to receive monthly statements listing all their shipments during the month and the total cost. Bill needed to distinguish which customers paid cash and which wanted monthly state- ments. In fact, for those who paid monthly, he needed to keep a running account of such things as when the were last billed, when they paid, and any outstanding balances. Finally, when payments were received, either for individual shipments or from monthly invoices, he needed to record information about the payment: type of payment, date, and amount. Although this was 3. Now that you have identified the classes, deter not a sophisticated billing and payment system, Bill thought it would suffice for his needs ible IS 1. Using the noun technique, read through this case and identify all the nouns that may be important for this system. You may also find it helpful to read back through the case descriptions in the previous chapters. 2. Once you have identified all the nouns, identify which are classes and which are attributes of these primary classes. Begin constructing a class diagram based on the classes and attributes you have identified mine what the relationships should be among the classes. Add multiplicity constraints, being especially cognizant of zero-to-many versus one- to-many differences. Next, he started thinking about his packages and shipments. At the time that a request for a pickup came in, he needed to keep track of it as some t 4. Finalize the class diagram, including all your classes, attributes, primary keys, relationships and multiplicity constraints very request or delivery order At that point in ime, Bill mostly needed to know who the custome On the Spot Courier Services On the Spot courier services grew and changed over was, where the pickup location was, and what date the years. At first, Bill received requests for package and time the package(s) would be ready for pickup. He pickups on his mobile phone, recorded that inform also recorded the date and time that he received the tion in a log, and would then drive around to retrieve order. A delivery order was considered open" until all the packages later in the day. However, he soon the delivery van arrived at the pickup location and the discovered that with another driver, it was difficult packages were all retrieved. At that point, the del to coordinate pickups between the two of them from order was satisfied. his van. It was not long before he reorganized his business and turned the warehouse employee into a age needed to be uniquely identfied. B needed to driver. Then, he stayed in the warehouse himself, and know when it was picked up and which delivery his two employees made all the pickups and deliv ies. This worked well because he could control and the deliver to" entity name and the address. He also coordinate the pickups and deliveries better. It was needed to identify the type of delivery. Some pack- also easier for him to receive pickup requests working ages were high priority, requiring same-day delivery. at a desk rather than trying to do it while driving a Others were overnight. Of course, the weight and cost delivery van. Once the packages were retrieved, each pack son picked it up. Other important information was were recorded so the customer could either pay or have As he thought about how his business was grow it added to the monthly invoice. ing and the services he provided to his customers, Bill began to itemize the kinds of information he would most important information requirements is the date need to maintain. In the courier and delivery business, one of the and time stamp. For each package, it is important to know when it was picked up, when it arrived at the Of course, he needed to maintain information about his customers. Some of his customers were warehouse, when it went back out on the delivery businesses; some were individuals. He needed to have run, and when it was delivered. When basic address and contact information for every cus also important to have names associated with each of tomer. Also, for his corporate customers, he needed to these events. identify a primary contact person. It was mostly his corporate customers who wanted to receive monthly statements listing all their shipments during the month and the total cost. Bill needed to distinguish which customers paid cash and which wanted monthly state- ments. In fact, for those who paid monthly, he needed to keep a running account of such things as when the were last billed, when they paid, and any outstanding balances. Finally, when payments were received, either for individual shipments or from monthly invoices, he needed to record information about the payment: type of payment, date, and amount. Although this was 3. Now that you have identified the classes, deter not a sophisticated billing and payment system, Bill thought it would suffice for his needs ible IS 1. Using the noun technique, read through this case and identify all the nouns that may be important for this system. You may also find it helpful to read back through the case descriptions in the previous chapters. 2. Once you have identified all the nouns, identify which are classes and which are attributes of these primary classes. Begin constructing a class diagram based on the classes and attributes you have identified mine what the relationships should be among the classes. Add multiplicity constraints, being especially cognizant of zero-to-many versus one- to-many differences. Next, he started thinking about his packages and shipments. At the time that a request for a pickup came in, he needed to keep track of it as some t 4. Finalize the class diagram, including all your classes, attributes, primary keys, relationships and multiplicity constraints very request or delivery order At that point in ime, Bill mostly needed to know who the custome