/// Name: Jonathan Stine /// Period 5 /// Program Name: VariablesAndNames /// File Name: VariablesAndNames.java /// Date Finished: 9/10/2015 public class VariablesAndNames { public static void main( String[] args ) { // It's not necessary; If 4.0 is changed to 4 nothing changes, the output remains the same. //Floating point means that there are no fixed number of digits before and after the decimal point, and also that // the decimal point can move. int cars, drivers, passengers, cars_not_driven, cars_driven; double space_in_a_car, carpool_capacity, average_passengers_per_car; //These are cars. cars = 100; //How much can a car hold? space_in_a_car = 4; //How many drivers? drivers = 30; //How many people do we need to transport passengers = 90; //How many cars are sitting in the lot? cars_not_driven = cars - drivers; //One driver per car. cars_driven = drivers; //Minus the seat taken by the driver, how many passengers can we take? carpool_capacity = cars_driven * space_in_a_car; //How many do we have to put in each car? average_passengers_per_car = passengers / cars_driven; System.out.println( "There are " + cars + " cars available." ); System.out.println( "There are only " + drivers + " drivers available." ); System.out.println( "There will be " + cars_not_driven + " empty cars today." ); System.out.println( "We can transport " + carpool_capacity + " people today." ); System.out.println( "We have " + passengers + " to carpool today." ); System.out.println( "We need to put about " + average_passengers_per_car + " in each car." ); } }
PS, Steve jobs invented everything.