请教一个显示当前时间的问题'
请教一个显示当前时间的问题'
import java.util.*;
public class HelloDate
{
public static void main(String[] args)
{
System.out.print("Hello,it's: ");
System.out.println(new Date());
}
}
为什结果是:Hello,it's:
Data@12498b5
我当时的时间是12:49 搜索更多相关的解决方案:
时间
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用Date.getHours()和Date.getMinutes()虽然这两个方法已经被废弃了
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我完全复制你的,输出结果就不是这个....
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Hello,it's: Sun Sep 18 18:37:50 CST 2005
这是我运行完的结果，复制你的程序
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import java.util.*;
public class HelloDate
{
public static void main(String[] args)
{
Calendar c = new GregorianCalendar();
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH) + 1;
int day = c.get(Calendar.DAY_OF_MONTH);
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
String dayOfWeekStr = null;
switch(dayOfWeek)
{
case 1: dayOfWeekStr = "星期日"; break;
case 2: dayOfWeekStr = "星期一"; break;
case 3: dayOfWeekStr = "星期二"; break;
case 4: dayOfWeekStr = "星期三"; break;
case 5: dayOfWeekStr = "星期四"; break;
case 6: dayOfWeekStr = "星期五"; break;
case 7: dayOfWeekStr = "星期六"; break;
}
int hour24 = c.get(Calendar.HOUR_OF_DAY);
int min = c.get(Calendar.MINUTE);
int sec = c.get(Calendar.SECOND);
String hour24Str = null;
String minStr = null;
String secStr = null;
if(hour24/10 == 0)
hour24Str = "0" + new Integer(hour24).toString();
else
hour24Str = new Integer(hour24).toString();
if(min/10 == 0)
minStr = "0" + new Integer(min).toString();
else
minStr = new Integer(min).toString();
if(sec/10 == 0)
secStr = "0" + new Integer(sec).toString();
else
secStr = new Integer(sec).toString();
String currentDate = new String(year + "年" + month + "月" + day + "日" + " " +
dayOfWeekStr);
String currentTime = new String(hour24Str + ":" + minStr + ":" + secStr);
System.out.println("当前日期为: " + currentDate);
System.out.println("当前时间为: " + currentTime);
}
}
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楼主的程序是正确的,只是你的系统的问题
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yiyi735, 那你说说系统怎么设置啊?
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