一个小程序,求帮助
编写一个程序,要求随意输入一个日期如:2007,1,1得到该日期是星期几,并输出
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挂了很久了,没有人回答啊
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程序代码:
public class webDate {
public static void main(String[] args)
{
date("2013.3.28");
}
public static void date(String date)
{
//天数
int tmpSumDay = 0 ;
//星期
String weekS = "";
String[] findDate = date.split("\\.");
int[] userDate = new int[3];
//转换string->int
for(int i = 0 ; i < findDate.length ; ++i)
{
userDate[i] = Integer.parseInt(findDate[i]);
}
//计算年
for(int year = 1900 ; year < userDate[0] ; ++year)
{
if(year % 4 == 0 && year % 100 != 0 || year % 400 ==0)
{
tmpSumDay += 366;
}
else
{
tmpSumDay += 365;
}
}
//计算月
for(int tMonth = 1 ; tMonth < userDate[1] ; ++ tMonth)
{
if(tMonth == 2)
{
if(userDate[0] % 4 == 0 && userDate[0] % 100 != 0 || userDate[0] % 400 == 0)
{
tmpSumDay+= 29;
}
else
{
tmpSumDay+= 28;
}
}
else if(tMonth == 4 || tMonth == 6 ||tMonth == 9 ||tMonth == 11)
{
tmpSumDay+= 30;
}
else
{
tmpSumDay+= 31;
}
}
//计算天
tmpSumDay += userDate[2];
//判断
int week = tmpSumDay % 7;
switch(week)
{
case 1:
weekS = "星期一";
break;
case 2:
weekS = "星期二";
break;
case 3:
weekS = "星期三";
break;
case 4:
weekS = "星期四";
break;
case 5:
weekS = "星期五";
break;
case 6:
weekS = "星期六";
break;
case 7:
weekS = "星期日";
break;
}
System.out.println(weekS);
}
}
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学习
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