Exam 11: Multiple Classes and Inheritance
Exam 1: Introduction to Visual Basic 2017 Programming103 Questions
Exam 2: Program and Graphical User Interface Design103 Questions
Exam 3: Program Design and Coding103 Questions
Exam 4: Variables and Arithmetic Operations103 Questions
Exam 5: Decision Structures103 Questions
Exam 6: Loop Structures103 Questions
Exam 7: Using Procedures and Exception Handling103 Questions
Exam 8: Using Arrays and File Handling103 Questions
Exam 9: Creating Web Applications103 Questions
Exam 10: Incorporating Databases With Adonet103 Questions
Exam 11: Multiple Classes and Inheritance103 Questions
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A procedure in one class cannot call a procedure in another class within the program.
(True/False)
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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.
(Multiple Choice)
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In a three-tier architecture, user interface classes should not be concerned with how the data is stored.
(True/False)
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In a three-tier architecture for Web applications, the ____ tier contains the Web page that appears to the user.
(Multiple Choice)
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In a(n) ____________________ text file, fields in a record are separated by commas.
(Short Answer)
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A procedure in a subclass that has the same name as a procedure in its base class must be declared in the subclass with the ____ keyword.
(Multiple Choice)
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In a three-tier architecture, the ____ tier contains the logic and calculations.
(Multiple Choice)
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The ____ tier implements the "business rules" required for the application.
(Multiple Choice)
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When an object requires data when it is instantiated, the data can be passed as part of the ____ code.
(Multiple Choice)
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When using inheritance, the class that inherits attributes from another class is called the ____________________.
(Short Answer)
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Data that is stored in a file or database on disk often is called ____ data.
(Multiple Choice)
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In a three-tier architecture, the business tier contains the ____ that must occur to fulfill the requirements of the program.
(Multiple Choice)
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In a three-tier architecture, the user interface classes should have nothing to do with how data is validated.
(True/False)
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In a three-tier architecture, only the persistence classes will actually ____ data.
(Multiple Choice)
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To instantiate an object, you can use the ____________________ statement.
(Short Answer)
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In a three-tier architecture, only the presentation tier will actually read and write data.
(True/False)
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The keyword ____________________ in a base class means that a subclass can contain a procedure with the same procedure name.
(Short Answer)
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Whenever inheritance is used, the subclass must fit into a(n) ____ relationship with the base class.
(Multiple Choice)
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When you define a class in a Visual Basic program, you must instantiate an object based on that class in order for the processing in the object to take place.
(True/False)
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When arguments are passed ByVal, it means the original value is passed to the instantiated object and a copy of the value is not used.
(True/False)
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