String str = "2020年08月08日"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日"); Date date = sdf.parse(str); Calendar instance = Calendar.getInstance(); System.out.println(instance.getActualMaximum(Calendar.DATE)); System.out.println(instance.get(Calendar.DAY_OF_WEEK)-1);
How many days are in the current month and the current day of the week to get the date
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Origin blog.csdn.net/qq_39839828/article/details/108298140
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