Sams Teach Yourself Ruby in 21 Days

Arrays

An array, or list, is very much like a string in some ways: It is a container whose elements can be referred to by their position and whose elements can be examined and changed using the same techniques you have just learned. But there is a big difference between the two. An array can hold objects of any type, not just characters.

Instead of the quotation marks that you use to create a string, surround a new array with square brackets. Elements of an array are separated by commas.

veggies = ["corn", "carrots"]
small_primes = [2, 3, 5, 7, 11]
some_objects = ["a string", 44, self]

How would you find the second element of the veggies array? Knowing what you know about string objects, you should be able to guess. (Remember, we start counting ...