Which Collection Classes?
For each scenario, describe which Collection class(es) you would use, how you would use the class(es), and why you choose the class(es).
a. You want to maintain a list of foods together with the number of calories in each food. Your list should allow a user to specify a food and retrieve the number of calories for that food. You should be able to add new foods to the list.
b. You want to maintain a list of your daily meals—foods and calories. You should be able to specify a particular day and retrieve the day’s meals. You should be able to retrieve the total number of calories for any consecutive number of days.
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