A header file must always be referen?ed (e that epp file A static variable decla

Question

A header file must always be referen?ed (e that epp file A static variable declared in the private space of a class is accessible by all objects of the unction with inpunts ot a erthe lass type that has been declared a friend of that cass A function with inputs of a certain class type that has been declared a friend of that class must use accessors to gain access to the object's private data. A mutator typically has a non-void return type An accessor always has a non-void return type. Multiple Choice Which of the following are correct? (circle anylall that apply 2. A constructor must be declared for each class. (C++ won't make a default for you) b. A constructor must be declared with a return type A default constructor can only be provided by the compiler. (you can't make your own) d. A class can have only one default constructor. eA class can have only one constructor Which of the following are accurate comparisons between call-by-value and const call-by- reference? (Circle any/all that apply) 3. Both protect against changing the caller's argument. Both are very fast for all sizes of objects. Call-by-value copies the argument whereas const call-by-reference does not all by value uses more memory than const call-by-reference in passing the data

Explanation / Answer

2.

Only option d is correct.

We can also write default constructor.

C++ compiler can also generate default construtor for us.

A class can have only one default constructor

A class can have many constructors

Answer:

d

----------------------------------------------------------------------------------------------------------------------------

3.

Answers:

c, d

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.