lecture 5-6: sets

Question 1

What is a concern when passing large objects to a method/function?

Answer 1

Efficiency

Question 2

What does call-by-value do when passing an object?

Answer 2

Makes a complete copy of the object

Question 3

Why is call-by-value expensive for large objects?

Answer 3

Because it creates a complete copy of the object

Question 4

What is the advantage of using const & when passing large objects?

Answer 4

No copy is done and const protects the argument from modification

Question 5

What can const variable/parameters not do?

Answer 5

They cannot be changed

Question 6

Define L-values in the context of assignment statements.

Answer 6

Variables/objects that can be on the left-hand side of an assignment statement

Question 7

Can L-values be on the right-hand side of an assignment?

Answer 7

Yes

Question 8

How can L-values be passed?

Answer 8

As reference or as value

Question 9

Define R-values in the context of assignment statements.

Answer 9

Variables/objects that cannot be on the left-hand side of an assignment

Question 10

How can R-values be passed?

Answer 10

By value or passed by const&