Copy Semantics

Question 1

What does the const keyword in C mean?

Answer 1

A way to declare that a variable’s value will not change.

Question 2

What does the const keyword mean for a function parameter?

Answer 2

That the function will not change a value.

Question 3

Convert this declaration to a sentence:
char * str[10];

Answer 3

str is an array 10 of pointers to a char.

Question 4

Convert this declaration to a sentence:
int * a;

Answer 4

a is a pointer to an int

Question 5

Convert this declaration to a sentence:
const int * b;

Answer 5

b is a pointer to an int constant

Question 6

Convert this declaration to a sentence:
int * const c;

Answer 6

c is a constant pointer to an int

Question 7

Convert this declaration to a sentence:
const int * const d

Answer 7

d is a constant pointer to an int constant

Question 8

What happens when you try to free freed memory on the heap?

Answer 8

Segmentation fault

Question 9

What can shallow copying lead to?

Answer 9

Memory leaks

Question 10

What is a shallow copy?

Answer 10

When you store the instance of the desired value instead of the copied values themselves.