Iterations

Question 1

What are the three loop types

Answer 1

For , while, Do.. while

Question 2

How is the while loop used

Answer 2

while(condition)
{
statement
}
where the varibale inside the loop must be changed otherwise it will loop forever

Question 3

When do we use the while loop

Answer 3

The condition is met before the loop
-when the number of iterations is unknown

Question 4

When is the for loop used

Answer 4

-The for loop always has an iteration variable that is de/incremented.
-The number of loops is known
-when the user wants to use the iterator variable

Question 5

How is the for loop strcutured

Answer 5

for ( [exp1 = initilisation]; [exp2 = controlling expression]; [exp3 = adjustment])
{
statement
}

Question 6

How does the do while loop work

Answer 6

The decision is made at the bottom of the loop so the loop runs at least once.
The loop is ended when the condition is false