5.9. Structured Programming Summary
Just as architects design buildings by employing the collective wisdom of their profession, so should programmers design programs. Our field is much younger than architecture, and our collective wisdom is considerably sparser. We have learned that structured programming produces programs that are easier than unstructured programs to understand, test, debug, modify and even prove correct in a mathematical sense.
Figure 5.20 uses UML activity diagrams to summarize Java’s control statements. The initial and final states indicate the single entry point and the single exit point of each control statement. Arbitrarily connecting individual symbols in an activity diagram can lead to unstructured programs. Therefore, ...
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