Exam 11: Multiple Classes and Inheritance

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In a three-tier architecture,the ____ tier contains the logic and calculations.

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When a class is ____ into an object using the New keyword,a special procedure called a constructor is executed in the class.

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____________________ allows one class to inherit attributes and procedures from another class.

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To call a procedure in another object,a statement in the calling object must identify both the object and the procedure within the object.

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The ____________________ procedure is used to close a StreamWriter file.

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MATCHING Identify the letter of the choice that best matches the phrase or definition. -A class acts as a template for this

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In a three-tier architecture,the business classes should not be concerned with the functionality of the user interface.

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The keyword ____________________ in a base class means that a subclass can contain a procedure with the same procedure name.

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MATCHING Identify the letter of the choice that best matches the phrase or definition. -Can be used to write a stream of text to a file

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In a three-tier architecture,only the presentation tier will actually read and write data._________________________

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Which tier is involved in saving data stored on a USB drive?

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The ____ tier implements the "business rules" required for the application.

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Concatenation is a major contributor to reliable and robust programs._________________________

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What is a constructor? What is its function? What happens if a developer writes no code for a class constructor?

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The Visual Basic statement "Dim objStudent As Student"will create and instantiate an object.

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A constructor procedure cannot contain arguments.

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The WriteLine procedure will ____.

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When using inheritance,the class that provides attributes to be inherited is called the ____ class.

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The TabIndex property determines which object on a form receives the focus when the user presses the ____ key.

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To ensure that variables declared in a base class may be accessed by its subclasses but not by other classes,the variables should be declared with ____ access.

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