判断输入一个日期判断是星期几，日期星期几,import java.

判断输入一个日期判断是星期几，日期星期几,import java.

import java.util.Scanner;public class Test321 {    /**     * 杨先刚 2012-09-27     */    public static void main(String[] args) {        System.out.print("请输入一个年份：");        Scanner input = new Scanner(System.in);        int year = input.nextInt();        System.out.print("请输入一个月份：");        Scanner input1 = new Scanner(System.in);        int month = input1.nextInt();        System.out.print("请输入月份中的某一天：");        Scanner input2 = new Scanner(System.in);        int day = input2.nextInt();        if(month==1){            month=13;            year=year-1;        }        if(month==2){            month=14;            year=year-1;        }        int h = (int) ((day + Math.floor(26 * (month + 1) / 10) + (year % 100)                + Math.floor((year % 100) / 4)                + Math.floor(Math.abs(year / 100) / 4) + 5 * Math                .abs(year / 100)) % 7);        switch (h) {        case 0:            System.out.print("该日为星期六");            break;        case 1:            System.out.print("该日为星期天");            break;        case 2:            System.out.print("该日为星期一");            break;        case 3:            System.out.print("该日为星期二");            break;        case 4:            System.out.print("该日为星期三");            break;        case 5:            System.out.print("该日为星期四");            break;        case 6:            System.out.print("该日为星期五");            break;        }    }}//该片段来自于http://byrx.net