201711年

日志是项目中必用的东西，日志产品里最普及应该就是log4j了。(logback这里暂不讨论。) 先看一下常用的log4j的用法，一般来说log4j都会配合slf4j或者common-logging使用...

CronTrigger is often more useful than SimpleTrigger, if you need a job-firing schedule that recurs b...

Welcome to another installment of "Under The Hood". This column gives Java developers a glimpse of w...