Java Data Type - 如何获取日期结束时间

import java.util.Calendar;
import java.util.Date;

public class Main {

  public static void main(String[] args) {
    System.out.println(getTheEndOfDate(new Date()));
  }

  public static Date getTheEndOfDate(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MINUTE, 59);
    calendar.set(Calendar.SECOND, 59);
    calendar.set(Calendar.MILLISECOND, 999);

    return calendar.getTime();
  }
}