Answered! Please create currency converter program using java Eclipse ( US Dollar , Euro , Pound Sterling GBP , Saudi Riyal…

public class currency {

    public currency() {
        char us_dollar_sym = 36;
        char pound_sym = 163;
        char yen_sym = 165;
        char euro_sym = 8364;

        String us_dollar = "Dollars";
        String pound = "Pounds";
        String yen = "Yen";
        String euro = "Euros";
        double rate = 0;

        // Interface
        System.out.println("Welcome to the Currency Converter Program n");
        System.out
                .println("Use the following codes to input your currency choices: n 1 - US dollars n 2 - Euros n 3 - British Pounds n 4 - Japanese Yen n");

        //
        System.out.println("Please choose the input currency:");
        Scanner in = new Scanner(System.in);
        int choice = in.nextInt();

        String inType = null;
        switch (choice) {
        case 1:
            inType = "US Dollars >> " + us_dollar_sym;
            break;
        case 2:
            inType = "Euros >> " + euro_sym;
            break;
        case 3:
            inType = "British Pounds >> " + pound_sym;
            break;
        case 4:
            inType = "Japanese Yen >> " + yen_sym;
            break;
        default:
            System.out
                    .println("Please restart the program & enter a number from the list.");
            return;
        }

        System.out.println("Please choose the output currency");
        int output = in.nextInt();

        System.out.printf("Now enter the input in " + inType);
        double input = in.nextDouble();

        if (choice == output)
            System.out.println("Same currency no need to convert");

        if (choice == 1 && output == 2) {
            double dollar_euro_rate = 0.78391;
            rate = input * dollar_euro_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + dollar_euro_rate + " Dollars to %s = %.2fn",
                    (char) us_dollar_sym, euro, rate);
        } else if (choice == 1 && output == 3) {
            double dollar_pound_rate = 0.621484;
            rate = input * dollar_pound_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + dollar_pound_rate + " Dollars to %s = %.2fn",
                    (char) us_dollar_sym, pound, rate);
        } else if (choice == 1 && output == 4) {
            double dollar_yen_rate = 107.174;
            rate = input * dollar_yen_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + dollar_yen_rate + " Dollars to %s = %.2fn",
                    (char) us_dollar_sym, yen, rate);
        }
        if (choice == 2 && output == 1) {
            double euro_dollar_rate = 1.27579;
            rate = input * euro_dollar_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + euro_dollar_rate + " Euros to %s = %.2fn",
                    (char) euro_sym, us_dollar, rate);
        } else if (choice == 2 && output == 3) {
            double euro_pound_rate = 0.792648;
            rate = input * euro_pound_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + euro_pound_rate + " Euros to %s = %.2fn",
                    (char) euro_sym, pound, rate);
        } else if (choice == 2 && output == 4) {
            double euro_yen_rate = 136.708;
            rate = input * euro_yen_rate;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + euro_yen_rate + " Euros to %s = %.2fn", (char) euro_sym,
                    yen, rate);
        }
        if (choice == 3 && output == 1) {
            double pound_dollar_rate = 1.60972;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + pound_dollar_rate + " Pounds to %s = %.2fn",
                    (char) pound_sym, us_dollar, rate);
        } else if (choice == 3 && output == 2) {
            double pound_euro_rate = 1.26161;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + pound_euro_rate + " Pounds to %s = %.2fn",
                    (char) pound_sym, euro, rate);
        } else if (choice == 3 && output == 4) {
            double pound_yen_rate = 172.511;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + pound_yen_rate + " Pounds to %s = %.2fn",
                    (char) pound_sym, yen, rate);
        }
        if (choice == 4 && output == 1) {
            double yen_dollar_rate = 0.00932574;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + yen_dollar_rate + " Yen to %s = %.2fn", (char) yen_sym,
                    us_dollar, rate);
        } else if (choice == 4 && output == 2) {
            double yen_euro_rate = 0.00730615;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + yen_euro_rate + " Yen to %s = %.2fn", (char) yen_sym,
                    euro, rate);
        } else if (choice == 4 && output == 3) {
            double yen_pound_rate = 0.00579135;
            System.out.printf("%s" + input + " at a conversion rate of "
                    + yen_pound_rate + " Yen to %s = %.2fn", (char) yen_sym,
                    pound, rate);
        }
        System.out.println("Thank you for using the currency converter");
    }
}