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这里是我的代码:如何获得工作日给定日期在Android Studio中使用日历
// Date birthDay;
GregorianCalendar birthDay = new GregorianCalendar();
birthDay.set(year_int,mo,da,0,0,0);
int weekday = birthDay.get(GregorianCalendar.DAY_OF_WEEK);
String weekDay = String.valueOf(weekday -1);
weekDay = weekDay.replace("0","Sunday.");
weekDay = weekDay.replace("1","Monday.");
weekDay = weekDay.replace("2","Tuesday.");
weekDay = weekDay.replace("3","Wednesday.");
weekDay = weekDay.replace("4","Thursday.");
weekDay = weekDay.replace("5","Friday.");
weekDay = weekDay.replace("6","Saturday.");
有什么不对吗?请帮帮我。
什么是 “怎么了”?请描述你的错误。请注意'get(DAY_OF_WEEK)'返回一个0到6之间的值,所以你的代码在那里是错误的。此外,查找'Calendar.getDisplayName'。 –