Learning Processing

Chapter 9

Arrays

“I might repeat to myself slowly and soothingly, a list of quotations beautiful from minds profound—if I can remember any of the damn things.”

—Dorothy Parker

In this chapter:

• What is an array?

• Declaring an array.

• Initialization.

• Array operations—using the “for” loop with an array.

• Arrays of objects.

9.1 Arrays, why do we care?

Let’s take a moment to revisit the car example from the previous chapter on object-oriented programming. You may remember we spent a great deal of effort on developing a program that contained multiple instances of a class, that is, two objects.

Car myCar1;

Car myCar2;

This was indeed an exciting moment in the development of our lives as computer programmers. It is likely you are contemplating ...