While Loops Drill

In a while loop, when does the code inside the loop stop executing?

• After a fixed number of repetitions

• When the program reaches the end of the code

• When the condition becomes false

• When Karel reaches a wall

What potential problem might occur if the condition in a while loop is not carefully managed?

• The loop might run too slowly

• Karel might run out of energy

• The program might crash

• The loop might continue indefinitely (infinite loop)

In the following code, what will Karel do? while (frontIsClear()) { move(); }

• Move forward once

• Move forward twice

• Move forward until reaching a wall

• Stay in the same position

Which scenario would be BEST suited for a while loop in Karel?

• Moving Karel forward exactly 5 steps

• Making Karel place 10 balls in a line

• Having Karel pick up balls until none are left

• Turning Karel right 4 times

What is the correct syntax for a while loop in Karel?

• while {condition} (code)

• while (condition) {code}

• (condition) while {code}

• {code} while (condition)