Which of the following statements about pointers and memory allocation is true?

Question

Which of the following statements about pointers and memory allocation is true?

There are multiple ways to represent null pointers in C++ source code.

delete statements should appear only within a destructor.

After "delete ptr;", the value of ptr is null.

The compiler initializes all pointers to null.

There are multiple ways to represent null pointers in C++ source code.

delete statements should appear only within a destructor.

After "delete ptr;", the value of ptr is null.

The compiler initializes all pointers to null.

Explanation / Answer

There are multiple ways to represent null pointers in C++ source code. True. NULL, 0, nullptr. there are multiple ways.. delete statements should appear only within a destructor. False. After "delete ptr;", the value of ptr is null. False. The compiler initializes all pointers to null. False. They will have garbage values.

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

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