Loops are the gears of programming: they make your code take action.

The two loops I use most often is the for loop (to do a predefined number of steps) and what is usually called a foreach loop (to move though a list of objects).

//This loop simply repeats an action
//a set amount of times:
for (int i=0; i<=3; i++)
NSLog([NSString stringWithFormat:@"i=%i", i]);

 

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