Answer the following statements true (T) or false (F)
1. New fields, properties, and methods cannot be added to a derived class unless these elements already existed in the base class.
2. When designing an object-oriented program, the best approach is to define a base class to hold all the general data about a group of similar objects, and then define derived classes for each specific type of object.
3. Only methods in a derived class can directly access the base class's private members.
4. When program code instantiates a derived class object, the base class constructor executes first, followed by the derived class constructor.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
You might also like to view...
To clear an area of the worksheet selected for printing you should use the _____ button.
A. Deselect Area B. Worksheet Area C. Clear Area D. Print Area
A(n) ____ program is the one that Windows uses when you open a particular file type.
A. standard B. default C. association D. computer
Match each of the following writing markup views to their uses:
I. Simple Markup II. All Markup III. No Markup IV. Original A. Displays the final version of the document with all the markups and comments B. Minimizes the clutter of multiple comments by showing only those that are chosen C. Shows the initial version of a document and hides all markups D. Displays the final version of the document and does not show any markups or comments
?Which of the following is NOT a commonly used BI tool?
A. ??data visualization B. linear regression C. ?drill-down analysis D. ?automated customer service