All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.
—Carl Sagan
Believing oneself to be perfect is often the sign of a delusional mind.
—Lieutenant Commander Data
In this chapter:
– Variables: What are they?
– Declaring and initializing variables
– Common uses for variables
– Variables you get “for free” in Processing (a.k.a. built-in variables)
– Using random values for variables
I admit it. When I teach programming, I launch into a diatribe of analogies in an attempt to explain the concept of a variable in an intuitive manner. On any given day, I might say, “A variable is like a bucket.” You put something ...
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