Topic 6 - Loops

Question 1

Is this proper for loop syntax?
i = 4;
for (i>0;)
i--
do something with i

Answer 1

yes. Its basically a while statement.

Question 2

Can a variable declared inside a for statement be accessed outside the for loop?

Answer 2

No. it is “invisible” outside the for loop.

Question 3

The comma operator has what order of evaluation?

Answer 3

Comma operator = left-associative

Left-hand side evaluated first, then the next right comma and so forth.