Martin McBride, 2017-02-03
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The 3 elements of program flow are:
Sequence - executing a set of instructions in a fixed order.
Selection - executing certain instructions depending on certain logical tests. This is usually controlled using if statements
or switch statements.
Iteration - looping over the same code multiple times. This is usually controlled by while loops (looping while ever a particular
condition is true) or for loops (which loop a specific number of times).
These are covered in detail in the next few topics.