Input file containing info for 50 states
Create a class state with 5 properties to hold the information about a single state and a method that calculates the density(people per square mile) of a state
Create an array of state objects and write a program that requests a state's name in an inputbox and displays the state's abbreviation, density and date of entrance into the union.
Write a program that uses an array of state objects and raises an event whenever the population density exceeds 10 million. Display the names of these states in a listbox.