标题: 利用线程同步系统时间的万年历 [打印本页] 作者: fuwei52331314 时间: 2016-7-6 18:19 标题: 利用线程同步系统时间的万年历 package Thread类;
import java.util.Calendar;
import java.util.Date;
public class TimeDemo {
public static void main(String[] args) throws InterruptedException {
while(true){
Thread.sleep(1000);
new Thread(new Time()).start();
}
}
}
class Time implements Runnable{
@Override
public void run() {
Calendar c = Calendar.getInstance();
c.setTime(new Date());
StringBuffer sb = new StringBuffer("系统时间：");
int y = c.get(Calendar.YEAR);
int m = c.get(Calendar.MONTH);
int d = c.get(Calendar.DATE);
int h = c.get(Calendar.HOUR_OF_DAY);
int mm = c.get(Calendar.MINUTE);
int s = c.get(Calendar.SECOND);
String hour = "0";
String min = "0";
String se = "0";
if(h < 10){
hour += h;
}else{
hour = h + "";
}
if(mm < 10){
min += mm;
}else{
min = mm + "";
}
if(s < 10){
se += s;
}else{
se = s + "";
}
sb.append(y).append("年")
.append(m).append("月")
.append(d).append("日")
.append(hour).append("时")
.append(min).append("分")
.append(se).append("秒");