public?class?TestMain?{
????public?static?void?main(String[]?args)?{
????????int?n?=?1;//輸入的日期數(shù)字1-7
????????LocalDate?date?=?LocalDate.now();
????????int?year?=?date.getYear();
????????LocalDate?startDate?=?LocalDate.parse(year+"-01-01");
????????LocalDate?endDate?=?LocalDate.parse(year+"-12-31");
????????int?startDay?=?startDate.getDayOfYear();
????????int?endDay?=?endDate.getDayOfYear();
????????DayOfWeek?dayOfWeek?=?null;
????????while?(startDay?<=?endDay)?{
????????????dayOfWeek?=?startDate.getDayOfWeek();
????????????int?value?=?dayOfWeek.getValue();
????????????if?(value?==?n)?{
????????????????System.out.println(startDate);
????????????}

????????????startDate?=?startDate.plusDays(1);
????????????startDay++;

????????}

????}
}