java TimeUnit.SECONDS与TimeUnit.MILLISECONDS区别

TimeUnit.SECONDS（5）线程等待五秒

TimeUnit.MILLISECONDS(5000)线程等待五秒.

两者的时间单位不一样。

内部都是Thread.sleep实现。

 

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public static TimeUnit toTimeUnit(final HBaseProtos.TimeUnit proto) {   switch (proto) {   case NANOSECONDS:     return TimeUnit.NANOSECONDS;   case MICROSECONDS:     return TimeUnit.MICROSECONDS;   case MILLISECONDS:     return TimeUnit.MILLISECONDS;   case SECONDS:     return TimeUnit.SECONDS;   case MINUTES:     return TimeUnit.MINUTES;   case HOURS:     return TimeUnit.HOURS;   case DAYS:     return TimeUnit.DAYS;   default:     throw new RuntimeException("Invalid TimeUnit " + proto);   } }