SleepExampleTest.java

package com.examplehub.basics.thread;

import static org.junit.jupiter.api.Assertions.*;

import java.text.SimpleDateFormat;
import java.util.Date;
import org.junit.jupiter.api.Test;

class SleepExampleTest {
  @Test
  void testClockMonitor() throws InterruptedException {
    new Thread(
            () -> {
              SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
              while (true) {
                Date date = new Date();
                System.out.println(sdf.format(date));
                try {
                  Thread.sleep(1000);
                } catch (InterruptedException e) {
                  e.printStackTrace();
                }
              }
            })
        .start();
    Thread.sleep(1000); // set bigger argument to see effect
  }
}