Question

java代码每隔一定的时间输出一句话输出

Answer 1

while (true) {
    Thread.sleep(1000);//等待1S
    System.out.println("----------");
}

Answer 2

import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class Test {
public static void main(String[] args) {
Timer t=new Timer();
t.schedule(new TimerTask(){
@Override
public void run() {
System.out.println("hello world!");
}

},new Date() ,1000);//每隔1秒输出
}
}