java判断星期（可输入日期）

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.io.*;

class test{

<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

public final static String dayNames[] = {

"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};

public static Date getdate(String date) throws Exception {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

return sdf.parse(date);

}

public static void main(String[] args) throws Exception {

char k;

do{

System.out.print("请输入日期");

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

String d = br.readLine();

Calendar calendar = Calendar.getInstance();

calendar.setTime(getdate(d));

int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);

System.out.println(dayNames[dayOfWeek - 1]);

System.out.println("是否继续判断y代表是n代表退出");

BufferedReader br1 = new BufferedReader(new InputStreamReader(System.in));

k=(char)br1.read();

}while(k=='y');

System.out.println("已退出判断");

//可以将现在的时间输出

SimpleDateFormat currentDateTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ");

System.out.println("完成编译时间为："+currentDateTime.format(new Date()));

}

}