Assignment #12 and VariablesAndNames

Code

      /// Name: Mahima Choudhary
      /// Period: 6
      /// Program Name: VariablesAndNames.java
      /// File Name: VariablesAndNames
      /// Date Finished: 9/17/2015
      
      //---------------------------------------------------------------------------------------
      // I used 4.0 for space_in_a_car, but is that necessary? What happens if it's just 4? 
      // It is not necessary to use decimal point because variable type is primitive type of double 
      // that support a floating point
      //---------------------------------------------------------------------------------------
       
      public class VariablesAndNames
      {
          public static void main( String[] args )
          {
          	// defining variables
              int cars, drivers, passengers, cars_not_driven, cars_driven;
              double space_in_a_car, carpool_capacity, average_passengers_per_car;
      
      		// assigning values to variables
              cars = 100;
              space_in_a_car = 4.0;
              drivers = 30;
              passengers = 90;
              
              cars_not_driven = cars - drivers;
              cars_driven = drivers;
              carpool_capacity = cars_driven * space_in_a_car;
              average_passengers_per_car = passengers / cars_driven;
      
      		// Concatenating value of variable cars with String
              System.out.println( "There are " + cars + " cars available." );
              // Concatenating value of variable drivers with String
              System.out.println( "There are only " + drivers + " drivers available." );
              // Concatenating value of variable car_not_driven with String
              System.out.println( "There will be " + cars_not_driven + " empty cars today." );
              // Concatenating value of variable carpool_capacity with String
              //4 is changed to a non-floating point. to show it makes no difference
              System.out.println( "We can transport " + carpool_capacity + " people today." );
              // Concatenating value of variable passengers with String
              System.out.println( "We have " + passengers + " to carpool today." );
              // Concatenating value of variable average_passengers_per_car with String
              System.out.println( "We need to put about " + average_passengers_per_car + " in each car." );
          }
      }
    

Picture of the output