Rename Day 17: to Day 17: Throw and Throws

Create Day 17:

Create Day 16: Exceptions

Create Day 15: Linked List

Create Day 14: Scope

Create Day 12: Inheritance

Create Day 13: Abstract class

Create Day 11: 2D Arrays

Rename Day 9 to Day 9: Recursion 3

Rename Day 8 to Day 8: Dictionaries And Maps

Rename Day 7 to Day 7: Arrays

Rename Day 6 to Day 6: Let's Review

Rename Day 5 to Day 5: Loops

Rename Day 4 to Day 4:Class vs.Instance

Rename Day 3 to Day 3:Introto Conditional Statements