Update APCalendar.java

src/main/java/APCalendar.java

@@ -13,7 +13,15 @@ private static boolean isLeapYear(int year)
   public static int numberOfLeapYears(int year1, int year2)
   { 
     /* to be implemented in part (a) */
-
+int count=0;
+    for(int y=year1;y<=year2;y++)
+      {
+        if(isLeapYear(y0)
+           { 
+          count++;
+           }
+      }
+    return count;
   }
 
   /** Returns the value representing the day of the week for the first day of year,
@@ -52,5 +60,10 @@ private static int dayOfYear(int month, int day, int year)
   public static int dayOfWeek(int month, int day, int year)
   {
     /* to be implemented in part (b) */
+    int startDay=firstDayofYear(year);
+    int nthDay=dayofYear(month, day, year);
+    int returnDay= (startDay+nthDay-1)%7;
+    return returnDay;
+
   }
 }