In this chapter, we examined the steps required for working with protocols — definition, creation, delegate property creation, methods, delegate declaration, and implementation methods. Also, we saw how Table View controls can be used to display array data. We also took a look at common methods for adding information to Table Views. In the next chapter, we are going to start building our application: Sales Record System for a Departmental Store. We will begin with the first step: Design Data Model for keeping the customer's information, that is, we will learn to define Customer entity and its attributes. Also, we will learn to build data object (classes) associated with the Customer entity.
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