class12 understand the inherited constructors of class Visual Basic .NET automatically will call the Base-class constructor method when the Derived-class constructor method starts. The following program, ThreeConstructors creates three classes named GrandParents, Parents, and Children. Class Parents inherits Class GrandParents, and Class Childern inherits Class Parents When you run the program, your screen will first display class GrandParents’const.. 2008. 6. 25. how about using Multiple Constructors to Support Different Parameters how about using Multiple Constructors to Support Different Parameters To initialize class member variables, programmers make extensive use of constructor methods. Normally, for a simple class, the constructor method will support a parameter for each key class member variable. Consider the following Book class that provides support for the title, author, publisher, price, pagecount, and Indate: s.. 2008. 6. 24. how to Initialize Class Member Variables Initializing Class Member Variables When you create a class object, you will normally immediately assign values to specific class member variables. For example, the following code fragment defines a Person class that contains fields for a Name, Age, OfficeNumber, and CellularPhoneNumber: Class Person Public Name As String Public Age As Integer Public OfficeNumber As String Public CellularPhoneNu.. 2008. 6. 24. How to Restrict Access to Class Members? How to Restrict Access to Class Members? When you create a class, you should think of the class as a “black box,” meaning, to use the class, you do not need to know how the class performs its processing, but rather, what processing the class performs. Your cellular phone, for example, is a good example of a black box. To use the phone, you do not need to understand how the phone’s receiver conve.. 2008. 6. 23. 이전 1 2 3 다음