Voluntarily Relinquishing the Processor-----《Pro_Java_8_Programming_(3rd_edition)》
VoluntarilyRelinquishingtheProcessorAsyou’veseen,thespecificdetailsofhowthreadssharetheprocessor’stimevaryfromoneplatformtothenext.Theoperatingsystemwillsometimesensurethateachthreadiseventuallygivena