package com.imsl.test.example.finance;

import com.imsl.finance.*;
import java.text.*;
import java.util.*;

/**
 * <p>
 * Computes the net present value for a schedule of payments.</p>
 *
 * In this example, the present value of 3 payments, $1,000, $2,000, and $1,000,
 * with an interest rate of 5% made on January 3, 1997, January 3, 1999, and
 * January 3, 2000 is computed.
 *
 *
 *
 * @see <a href="FinanceXnpvEx1.java">Code</a>
 * @see <a href="doc-files/FinanceXnpvEx1.out">Output</a>
 */
public class FinanceXnpvEx1 {

    static final DateFormat dateFormat
            = DateFormat.getDateInstance(DateFormat.SHORT, Locale.US);

    private static Date parse(String s) throws ParseException {
        return dateFormat.parse(s);
    }

    public static void main(String args[]) throws ParseException {
        double rate = 0.05;
        double value[] = {1000., 2000., 1000.};
        Date dates[] = {parse("1/3/1997"), parse("1/3/1999"),
            parse("1/3/2000")};

        double pv = Finance.xnpv(rate, value, dates);
        System.out.println("The present value of the schedule of cash "
                + "flows is " + NumberFormat.getCurrencyInstance().format(pv));
    }
}