Beginning C# 2008 Objects: From Concept to Code

4.7. Summary

In this chapter, you've learned

• How to formally specify method headers, the "language" with which operations may be requested of an object, and how to call methods and properties—using dot notation—to actually get an object to perform such operations

• That multiple objects often have to collaborate in carrying out a particular system function, such as registering a student for a course

• That an object A can communicate with another object B only if A has a reference to B, and the various ways that such a reference can be obtained

• How classes designate the public/private accessibility of their members (fields, properties, methods)

• How powerful a mechanism information hiding is, both in terms of protecting the integrity of an object's data ...