Language review is complete

Now begin study of data structures
















What's a Data Structure?

	an object that stores a collection of other objects
	data structures are sometimes called "containers"


What are the common data types?

	List
	Set
	Map
	Stack
	Queue
	Priority Queue















What's our approach to studying data structures?


	1. learn the operations and behavior of each type

	2. learn how they can be used to solve problems

	3. first use the data types in the standard library

	4. later learn how each type is implemented