Java Programs Made Easy

Q)... Two dates are given as input in "yyyy-MM-dd" format. Find the number of months between the two dates
input1:"2012-12-01"
input2:"2012-01-03"
output:11

1. package Set1;
2. import java.text.ParseException;
3. import java.text.SimpleDateFormat;
4. import java.util.Calendar;
5. import java.util.Date;
6. public class ClassSet9 {
7.  public static int monthDiff(String s1,String s2) throws ParseException{
8.   SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
9.   Calendar c=Calendar.getInstance();
10.   Date d1=sdf.parse(s1);
11.   Date d2=sdf.parse(s2);
12.   c.setTime(d1);
13.   int m1=c.get(Calendar.MONTH);
14.   int y1=c.get(Calendar.YEAR);
15.   c.setTime(d2);
16.   int m2=c.get(Calendar.MONTH);
17.   int y2=c.get(Calendar.YEAR);
18.   int n=(y1-y2)*12+(m1-m2);
19.   return n;
20.  }
21.  public static void main(String[] args) throws ParseException {
22.   String s1=new String("2013-12-01");
23.   String s2=new String("2012-01-03");
24.   System.out.println(monthDiff(s1,s2));
25.  }
26. }