Chapter 1. From Objects to Components
Well-written Java programs are both object-oriented and component-oriented. This chapter characterizes the differences between object and component perspectives, and then it demonstrates these differences by taking a program design that is object-oriented and modifying it to be component-oriented as well.
Consider an example problem domain of contact management systems. One important facet of this domain is the ability to find contacts based on a variety of different criteria. Listing 1-1 shows a partial listing for the Contact and FindContact interfaces.
Listing 1-1. Contact and FindContact Interfaces
package contacts; public interface Contact { public String getLastName(); public void setLastName(String ... |
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