Access the last element in the array


q1 = %w[ January February March ]

q1[-1] # => March

1.	have an array that contains objects from different classes, not all just one type.
2.	Accessing Elements
3.	use the at method
4.	With -1, you access the last element in an array by looping back around with a negative number.
5.	To change three of the elements to have German rather than English spelling.
6.	With start and length parameters
7.	Replacing subarrays with []=
8.	Change character case of an element

Access the last element in the array : Array Elements « Array « Ruby