java多线程实现 5秒一次打印当前时间

2022-07-24 科技 141阅读
package com.test;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
public class PrnCurrentTime implements Runnable {
public void run()
{
while(true){
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
Date now = new Date();
DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
System.out.println(df.format(now));
}
}


public static void main(String[] args) {
PrnCurrentTime p = new PrnCurrentTime();
new Thread(p).start();
}

}
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