Write a Java class that calculates the number of weeks between two dates.

Import Java.text.SimpleDateFormat;
Import Java.util.Date;
Import Java.util.Scanner;

public class Demo3 {

/**
* @param args
*/
public static void Main (string[] args) {
TODO auto-generated Method Stub
System.out.println ("Please enter first Date: Yyyy-mm-dd");
Scanner s = new Scanner (system.in);
String Strdatestar = S.next ();

System.out.println ("Please enter a second date: Yyyy-mm-dd");
Scanner S1 = new Scanner (system.in);
String strdateend = S.next ();


try{
SimpleDateFormat SDF = new SimpleDateFormat ("Yyyy-mm-dd");

Date DateStart = Sdf.parse (Strdatestar);
Date dateend = Sdf.parse (strdateend);

System.out.println ((Dateend.gettime ()-Datestart.gettime ())/86400000/7);



}
catch (Exception ex) {

Ex.printstacktrace ();
}

}

}

Write a Java class that calculates the number of weeks between two dates.