Verifying a cron expression is valid in Java

Question

I\'m writing a scheduling application in Java using Quartz. I\'m using the CronTrigger, but my cron expressions are entered into a database before they are scheduled and are

Answer 1

you can also use org.springframework.scheduling.support.CronSequenceGenerator.isValidExpression(@Nullable String expression) method if you have not org.quartz package.