Assignment #120 and Programs that Write to Files

Code

    ///Name: Ali Kurland
    /// Period: 6
    /// Program Name: Programs that Write to Files
    /// File Name: Receipt.java
    /// Date Finished: 4/15/2016
    
    import java.io.IOException;
    import java.io.PrintWriter;
    import java.util.Scanner; 
    
    public class Receipt {
    
        public static void main(String[] args) {
    
            PrintWriter fileOut;
            Scanner keyboard = new Scanner(System.in);
    
            try{
                fileOut = new PrintWriter("receipt.txt");
    
            } catch(IOException e) {
                System.out.println("Sorry, I can't open the file 'receipt.txt' for editing.");
                System.out.println("Maybe the file exists and is read-only?");
                fileOut = null;
                System.exit(1);
            }
            
            Double price=2.345;
            System.out.print("How many gallons would you like to buy? ");
            Double gallons = keyboard.nextDouble();
            Double total = price * gallons;
    
            fileOut.println( "RECEIPT:" );
            fileOut.println( "" );
            fileOut.println( "| Gallons: " + gallons );
            fileOut.println( "| Price/gallon: $ " + price );
            fileOut.println( "| Fuel total: $ " + total );
            
            fileOut.close();
        }
    }
    

Picture of the output

Assignment 120a Assignment 120b