Programming Assignment #120

Code

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Receipt {

    public static void main(String[] args) {

        PrintWriter fileOut;
        double pricePerGallon = 3.459;
        Scanner k = new Scanner(System.in);
        System.out.println("How many gallons do you want?");
        double gallons = k.nextDouble();
        
        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);
        }

        fileOut.println( "+------------------------+" );
        fileOut.println( "|                        |" );
        fileOut.println( "|     CORNER STORE       |" );
        fileOut.println( "|                        |" );
        fileOut.println( "| 2016-01-25 04:38PM     |" );
        fileOut.println( "|                        |" );
        fileOut.println( "| Gallons: " + gallons + "        |" );
        fileOut.println( "| Price/gallon: $" + pricePerGallon + "  |" );
        fileOut.println( "|                        |" );
        fileOut.println( "| Fuel total: $" + gallons * pricePerGallon + "    |" );
        fileOut.println( "|                        |" );
        fileOut.println( "+------------------------+" );

        fileOut.close();
    }
}
  

Outputs