TimeUnit.SECONDS : TimeUnit « java.util.concurrent « Java by API

1. Java by API
2. java.util.concurrent
3. TimeUnit

TimeUnit.SECONDS

  
import static java.util.concurrent.TimeUnit.SECONDS;

public class MainClass extends Thread {
  // This field is volatile because two different threads may access it
  volatile boolean keepRunning = true;

  public MainClass() {
    setDaemon(true);
  }

  public void run() {
    while (keepRunning) {
      long now = System.currentTimeMillis();
      System.out.printf("%tr%n", now);
      try {
        Thread.sleep(1000);
      } catch (InterruptedException e) {
        return;
      }
    }
  }

  public void pleaseStop() {
    keepRunning = false;
  }

  public static void main(String[] args) {
    MainClass thread = new MainClass();
    thread.start();
    try {
      SECONDS.sleep(10);
    } catch (InterruptedException ignore) {
    }
    thread.pleaseStop();
  }
}

           
         
    
  

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