[HackerRanker](7)Java Date and Time

問題網址：https://www.hackerrank.com/challenges/java-date-and-time/problem

問題重點：Java API中 Java.time的使用

JavaSE8後可使用 import java.time.*;

Class LocalDate 1.方法of：

public static LocalDate of(int year,
                           int month,
                           int dayOfMonth)

2.同類別 方法getDayOfWeek取得回傳列舉Enum DayOfWeek中的星期(
The singleton instance for the day-of-week of Friday. )

getDayOfWeek

public DayOfWeek getDayOfWeek()

3.同類別方法toString將Enum轉成字串回傳

toString

public String toString()