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import java.text.SimpleDateFormat;
import java.util.Date;
 
public class Main {
 
	public static void main(String[] args) {
 
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Boolean result = false;
		int count = 0;
		while(!result) {
			try {
				Thread.sleep(5 * 1000); //设置暂停的时间 5 秒
				count ++ ;
				System.out.println(sdf.format(new Date()) + "--循环执行第" + count + "次");
				if (count == 3) {
					result = true;
					break ;
				}
			} catch (InterruptedException e) {
				e.printStackTrace();
			}  
		}
	}
 
}