Example: Previous Coupon Date Before the Settlement Date

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

public class couppcdEx1 {
    static final DateFormat dateFormat =
    DateFormat.getDateInstance(DateFormat.SHORT,  Locale.US);
    
    static private GregorianCalendar parse(String s) throws ParseException {
        GregorianCalendar cal = new GregorianCalendar();
        cal.setTime(dateFormat.parse(s));
        return cal;
    }
    
    public static void main(String args[]) throws ParseException {
        GregorianCalendar settlement = parse("11/11/86");
        GregorianCalendar maturity = parse("3/1/99");
        int freq = Bond.SEMIANNUAL;
        DayCountBasis dcb = DayCountBasis.BasisActual365;
        GregorianCalendar couppcd = Bond.couppcd(settlement, maturity,
        freq, dcb);
        System.out.println("The previous coupon date before the settlement " +
        "date is " + dateFormat.format(couppcd.getTime()));
    }
}

Output

The previous coupon date before the settlement date is 9/1/86