comparing line 5 with method

Lab4Part1a.java(second try)

        else if ((yearDiff > 0) && (monthValid)) // Year2 is after Year 1
        {
            System.out.println();
            daysBetween = daysToEndOfMonth(dd1,mm1);
            daysBetween = daysOfMonth(daysBetween,mm1+1,12+1);
            daysBetween = daysOfMonth(daysBetween,1,mm2);
            daysBetween += dd2;
            daysBetween += ((yearDiff-1)*365);// *-* add in 365 days for each year inbetween yyyy1 and yyyy2    
        }
        
            public static int daysOfMonth(int days, int m1, int m2)
    {
        while (m1 < m2)
        {
            if (m1 == 4 || m1 == 6 || m1 == 9 || m1 == 11) // *-* write the missing test conditions
            {
                days = days + 30;// *-* fill in the missing action
            }
            else if (m1 == 2)
            {
                days = days + 28;
            }
            else 
            {
                days = days + 31;
            }
            m1++;  
        }
        return days;
    }
    
}