8.1.7 Iteration (REPEAT … UNTIL)

Question 1

What is a REPEAT … UNTIL loop?

Answer 1

• It is a post condition-controlled loop.
• The condition is checked at the end of the loop.
• The code inside the loop will always execute at least once.
  Used when you do not know how many time to iterate.

Question 2

REPEAT … UNTIL loop Example

Answer 2

STRING: password = “”

REPEAT
OUTPUT “Enter password: “
INPUT password
UNTIL password = “1L0v3Marm1t3”

OUTPUT “Access Granted!”

Question 3

IMPORTANT

Answer 3

C# Does not have a REPEAT … UNTIL loop, but does have a DO … WHILE loop (where the condition is checked at the end of the loop).