11EVENT-DRIVEN PROGRAMMING
So far, the programs you’ve written have been mostly sequential because they have followed the lines of code in order, from top to bottom. Some statements might have made a comparison or called a subroutine to take a detour, but overall the order of statements has been mostly linear.
In some ways, this is comparable to how you go about your daily routine: you wake up, make your bed, take a shower, eat your breakfast, watch TV, comb your hair, and so on. But what if the phone rings during your routine? If you’re expecting a call from a friend to confirm that night’s party, you’d better take it! Even though you’re doing ...
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