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Foundational knowledge is something interviewers always check, whether you're a fresher or a senior engineer. This post rounds up the 10 most common Java Core interview questions, with quick hints and detailed explanations so you can review before your next interview.
CronJob is an essential tool that lets developers automate tasks on a recurring schedule. To configure a CronJob correctly, however, you need a solid grasp of the Cron Expression - the expression that defines the schedule for your automated jobs. This article introduces CronJob, explains how to build a Cron Expression, and shares some handy tools for creating cron expressions with ease.
