```java
@Configuration
@EnableScheduling
public class SpringConfig {
// ...
}
```
```java
/**
* second minute hour dayOfMonth month dayOfWeek
*/
@Scheduled(cron = "0 15 10 15 * ?")
public void scheduleTaskUsingCronExpression() {
long now = System.currentTimeMillis() / 1000;
System.out.println("schedule tasks using cron jobs - " + now);
}
private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
@Scheduled(cron = "0/5 * * * * *")
public void scheduled(){
log.info("The time is now {}", dateFormat.format(new Date()));
}
@Scheduled(fixedRate = 5000)
public void scheduled1() {
log.info("=====>>>>>Use fixedRate: " + dateFormat.format(new Date()));
}
@Scheduled(fixedDelay = 5000)
public void scheduled2() {
log.info("=====>>>>>fixedDelay: " + dateFormat.format(new Date()));
}
```