java中计算两个数之间的和 java怎么计算明天是星期几?

java怎么计算明天是星期几?import java.text.DateFormatSymbolsimport java.util.Calendarpublic class Test { public

java怎么计算明天是星期几?

import java.text.DateFormatSymbolsimport java.util.Calendarpublic class Test { public static void main(String[] args) { Calendar cal = Calendar.getInstance() cal.add(Calendar.DATE, 1) String tomorrow = new DateFormatSymbols().getShortWeekdays()[cal.get(Calendar.DAY_OF_WEEK)] System.out.println("明天是星期: " tomorrow) }}