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Visual C#® 2012: How to Program, Fifth Edition by Harvey Deitel, Paul Deitel

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4.10. Initializing Objects with Constructors

As mentioned in Section 4.5, when a GradeBook (Fig. 4.7) object is created, its instance variable courseName is initialized to null by default. This is also true of the private instance variable that the compiler creates for the auto-implemented CourseName property discussed in Section 4.8. What if you want to provide a course name when you create a GradeBook object? Each class can provide a constructor that can be used to initialize an object of a class when the object is created. In fact, C# requires a constructor call for every object that’s created. The new operator calls the class’s constructor to perform the initialization. The constructor call is indicated by the class name, followed by parentheses. ...

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