Select the correct rules for encapsulation. If any rules need to be imposed in a particular order, then say so, mentioning which rules.
a) Make all class member variables public members of the class.
b) Place the interface in the header file. What is the interface?
c) Place the implementation in a separate code file (with file extension required by your compiler: .cpp, .cxx, etc), called the implementation file. What is the
implementation?
d) Having private members visible in the interface violates the philosophy of
separating the interface from the implementation. Separate interface and
implementation requires removal of all the private members from the class
definition. You must put these in another part of the class definition in the
implementation.
Except for a) and d), all of the above, in no particular sequence, so long as
all are done. All variable members should be private, not public. The
suggestion in d) to divide the class definition across the implementation and interface files is not possible.
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Which of the following statements about a unique_ptr object is true?
a. A unique_ptr is a “smart pointer” for managing dynamically allocated memory. b. When a unique_ptr goes out of scope, its destructor automatically returns the managed memory to the free store. c. You must explicitly delete the memory that’s managed by a unique_ptr before the object goes out of scope. d. All of the above.
For this question, assume myView references an ImageView object. In order to preserve the image's aspect ratio (so it does not appear stretched or distorted), you should use which of the following?
a. myView.setPreserveRatio(false); b. myView.setPreserveRatio(true); c. myView.setPreserveRatio(); d. Either (a) or (c) would work.
Increasing the column width will also increase the number of characters a user can enter in each field
Indicate whether the statement is true or false
To make an accurate diagnosis for a more complicated medical problem, your doctor may use a(n) ____.?
A. ?heuristic system B. ?neutral network C. ?expert system D. ?conventional system