Java代码：给定日期告诉我它属于哪个星期 [英] Java code :given date tell me which week it falls into

问题描述

我需要有关如何在JAVA中写这个的帮助

我的输入将是一堆日期Ex 1-10-2018,1-15-2018 .. etc

我需要按周分组



我尝试过：



我需要有关如何在JAVA中写这个的帮助

我的输入将是一堆日期Ex 1-10-2018,1-15-2018 .. etc

我需要按周分组它们

I need help on how to write this in JAVA
My input will be bunch of dates Ex 1-10-2018, 1-15-2018 .. etc
I need to group them by week

What I have tried:

I need help on how to write this in JAVA
My input will be bunch of dates Ex 1-10-2018, 1-15-2018 .. etc
I need to group them by week

推荐答案

GregorianCalendar类 [ ^ ]应该这样做（用 WEEK_OF_YEAR get 方法c $ c> field）。

The GregorianCalendar class[^] should do the trick (have a look at the get method with the WEEK_OF_YEAR field).

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