Difference of two dates

import java.util.*;
public class DateDifference
{
    static Scanner sc=new Scanner(System.in);
    static int day,month,year,dd,mm,yyyy;
    static int Nleap[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; //NON-LEAP YEAR
    static int leap[]={0,31,29,31,30,31,30,31,31,30,31,30,31}; //LEAP YEAR
  
    public void setDate()
    {
        System.out.print("\fEnter The Fixed Date (DD/MM/YYYY) : "); day=sc.nextInt();
        System.out.print("\fEnter The Fixed Date (DD/MM/YYYY) : "+day+"/"); month=sc.nextInt();
        System.out.print("\fEnter The Fixed Date (DD/MM/YYYY) : "+day+"/"+month+"/"); year=sc.nextInt();
    }
    private boolean isLeapYear(int year)
    {
        if(year%400==0||year%4==0&&year%100==0)
            return true;
        else
            return false;
    }
    public int calculate(int dd,int mm,int yyyy)
    {
        int DaysCount=0; //TOTAL NO. OF DAYS
      
        // CALCULATE NO. OF DAYS FROM THE NEXT YEAR TILL PREV OF CURRENT YEAR
        // INPUTS : 1994 to 2011 ; CALCULATES FROM 1st JAN 1995 to 1st JAN 2011
        for(int i=year+1;i<yyyy;i++)
            if(isLeapYear(i))   DaysCount+=366;
            else    DaysCount+=365;
      
        // CALCULATES NO. OF DAYS FROM 1st OF NEXT MONTH TILL THE END OF YEAR
        for(int i=month+1;i<=12;i++)
             if(isLeapYear(year))   DaysCount+=leap[i];
             else   DaysCount+= Nleap[i];
      
        // CALCULATES NO. OF DAYS FROM THE DAY TO END OF THE MONTH
        if(isLeapYear(year))
            for(int i=day;i<=leap[month];i++)   DaysCount++;
        else
            for(int i=day;i<=Nleap[month];i++)  DaysCount++;
      
        // CALCULATES NO. OF DAYS FROM 1st JAN OF GIVEN MONTH TILL PREV OF GIVEN MONTH
        for(int i=1;i<mm;i++)
            if(isLeapYear(yyyy))
                DaysCount+=leap[i];
            else
                DaysCount+=Nleap[i];
      
        // CALCULATES NO. OF DAYS FROM 1st OF GIVEN MONTH TO GIVEN DAY
        if(isLeapYear(yyyy))
            for(int i=1;i<=dd;i++)
                DaysCount++;
        else
            for(int i=1;i<=dd;i++)
                DaysCount++;
      
        // CALCULATES NO. OF DAYS IF SET YEAR = GIVEN YEAR
        if(yyyy==year)
            if(isLeapYear(yyyy))   DaysCount-=366;
            else    DaysCount-=365;
    
        return DaysCount;
    }
  
    public void setCurrent()
    {
        System.out.print("\fEnter The Current Date (DD/MM/YYYY) : "); dd=sc.nextInt();
        System.out.print("\fEnter The Current Date (DD/MM/YYYY) : "+dd+"/"); mm=sc.nextInt();
        System.out.print("\fEnter The Current Date (DD/MM/YYYY) : "+dd+"/"+mm+"/"); yyyy=sc.nextInt();
    }
  
    public static void main(String[]args)
    {
        DateDifference obj=new DateDifference();
        obj.setDate();
        obj.setCurrent();
        int total=obj.calculate(dd,mm,yyyy);
        System.out.println("\fFixed   Date (DD/MM/YYYY) : "+day+"/"+month+"/"+year);
        System.out.println("Current Date (DD/MM/YYYY) : "+dd+"/"+mm+"/"+yyyy);
        System.out.println("\nTotal No Of Days : "+total);
    }
}