java1

import java.util.Scanner;

class Car {
    private static final int CAPACITY = 50;
    private static double gasLeft = CAPACITY;

    public static void drive(int distance) throws OutOfGasException {
        if (distance > gasLeft) throw new OutOfGasException("You ran out of gas!");
        else {
            gasLeft -= distance;
            System.out.println("You drove " + distance + " miles.");
            System.out.println("You have " + gasLeft + " gallons left in your tank.");
        }
    }

    public static void refill(double amount) throws OverflowException {
        if ( (gasLeft + amount) > CAPACITY ) throw new OverflowException("Tank capcity exceeded!");
        else {
            gasLeft += amount;
            System.out.println("You filled your tank with " + amount + " gallons.");
            System.out.println("You have " + gasLeft + " gallons left in your tank.");
        }
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("\nWelcome to the Car Driving Program.\n");

        while(true) {
            System.out.print("\nHow far do you plan to drive? ");
            int distance = scanner.nextInt();

            try {
                drive(distance);
            } catch (OutOfGasException oe) {
                System.out.println(oe.getMessage());
            }

            System.out.print("\nHow much gas did you add? ");
            double amount = scanner.nextDouble();

            try {
                refill(amount);
            } catch (OverflowException oe) {
                System.out.println(oe.getMessage());
            }
        }
    }
}