update

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+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/streams/tools/DateUtils.java" afterPath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/streams/tools/DateUtils.java" />
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src/main/java/com/zipcodewilmington/streams/tools/DateUtils.java

         return Date.from(localDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant());
     }
 
+    /**
+     * @param localDateTime LocalDateTime object to convert
+     * @return respective Date-object-representation
+     */
     public static Date asDate(LocalDateTime localDateTime) {
         return Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());
     }
 
+    /**
+     * @param date Date object to convert
+     * @return respective LocalDate-object-representation
+     */
     public static LocalDate asLocalDate(Date date) {
         return Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault()).toLocalDate();
     }
 
+    /**
+     * @param date Date object to convert
+     * @return respective LocalDateTime-object-representation
+     */
     public static LocalDateTime asLocalDateTime(Date date) {
         return Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault()).toLocalDateTime();
     }
 
+    /**
+     * @param startDate starting Date object
+     * @param endDate ending Date object
+     * @return integer difference between the two Date arguments
+     */
     public static int yearsBetween(Date startDate, Date endDate) {
         return yearsBetween(DateUtils.asLocalDate(startDate), DateUtils.asLocalDate(endDate));
     }
 
+    /**
+     * @param startDate starting Date object
+     * @param endDate ending LocalDate object
+     * @return integer difference between the two Date arguments
+     */
     public static int yearsBetween(Date startDate, LocalDate endDate) {
         return yearsBetween(DateUtils.asLocalDate(startDate), endDate);
     }
 
+    /**
+     * @param startDate starting LocalDate object
+     * @param endDate ending LocalDate object
+     * @return integer difference between the two Date arguments
+     */
     public static int yearsBetween(LocalDate startDate, LocalDate endDate) {
         return Period.between(startDate, endDate).getYears();
     }