datetime - Find the number of days in a month in Java

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

How do you find the number of days in a month in Java?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T19:16:28+0000

Set the year and month on a Calendar object and then use getActualMaximum to return the last day:

calendar.getActualMaximum(Calendar.DAY_OF_MONTH)