Iteration

loop

used for when programmers want a statement to execute repeatedly

nested loop

a loop that is found inside a loop

while loop

while the condition is true the loop continues to execute, otherwise it exits the loop

infinite loop

the loop isn’t structured correctly, or there is an error in the logic which causes the loop to execute forever

for-loop

The condition is first checked to see if it is true, the statement will execute, and the steps will continue to repeat in the loop until the statement becomes false, then the loop ends