MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;

public class MainClass {

    public static void main(String[] args) throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy");
        GregorianCalendar gc = new GregorianCalendar();
        java.util.Date d = sdf.parse("12/12/2003");
        gc.setTime(d);
        System.out.println("Input Date = " + sdf.format(d));
        int dayBefore = gc.get(Calendar.DAY_OF_YEAR);
        gc.roll(Calendar.DAY_OF_YEAR, -1);
        int dayAfter = gc.get(Calendar.DAY_OF_YEAR);
        if (dayAfter > dayBefore) {
            gc.roll(Calendar.YEAR, -1);
        }
        gc.get(Calendar.DATE);
        java.util.Date yesterday = gc.getTime();
        System.out.println("Yesterdays Date = " + sdf.format(yesterday));

    }

}