Exam 11: Multiple Classes and Inheritance

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Inheritance allows one class to gain ____ from another class.​

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  ​ -____________________ the text means writing the next record in the file following the last record currently in the file.​ ​ -____________________ the text means writing the next record in the file following the last record currently in the file.​

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The ____________________ property identifies if all digits have been entered into the mask.​

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

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​Identify the letter of the choice that best matches the phrase or definition. a.​classes b.​TabIndex c.​encapsulation d.​SelectedIndex e.​subclass f.​Overridable g.​object h.​three-tier i.​StreamWriter j.inheritance REFERENCES: 754 755 755 755 759 765 765 749 770 776 -​You must use multiple classes to implement this kind of program structure

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A constructor procedure is identified by the keyword ____.​

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​Identify the letter of the choice that best matches the phrase or definition. a.​classes b.​TabIndex c.​encapsulation d.​SelectedIndex e.​subclass f.​Overridable g.​object h.​three-tier i.​StreamWriter j.inheritance REFERENCES: 754 755 755 755 759 765 765 749 770 776 -​Property that determines which object on a form receives the focus when the user presses the TAB key

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  ​ -____________________ is the concept of separating processing and hiding data within specific classes.​ ​ -____________________ is the concept of separating processing and hiding data within specific classes.​

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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 instantiate an object,you can use the ____________________ statement.​ ​ -To instantiate an object,you can use the ____________________ statement.​

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A ____ text file can be read into programs such as Microsoft Excel and Microsoft Access to import the data into the application.​

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An outside class cannot call an overridable procedure in the subclass.​

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The WriteLine procedure will ____.​

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A new class can be added to an application by pressing and holding,or right-clicking,the project name in the Solution Explorer window.​

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

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  ​ -To specify the sequence of objects (like those in the accompanying figure)that will be selected when the TAB key is pressed,the ____ property is used.​ ​ -To specify the sequence of objects (like those in the accompanying figure)that will be selected when the TAB key is pressed,the ____ property is used.​

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The TabIndex property of objects on a Windows form controls the order that objects will be selected when the user presses the ____________________ key.​

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In a three-tier architecture,the user interface classes should have nothing to do with how data is validated.​

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  ​ -Variables in a base class that are declared with ____________________ access can be referenced only by subclasses but not by outside classes.​ ​ -Variables in a base class that are declared with ____________________ access can be referenced only by subclasses but not by outside classes.​

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Data access tier is another name for the presentation tier._________________________​

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