加锁 同时队列可(kě )以无限长吗 什(shí )么时候消减,同时(shí )采(cǎi )用了弱引(yǐn )用避免队列过大,造(zào )成gc压力 源(yuán )码(mǎ )如(rú )下get recycle scavenge每(měi )次都是(shì )从head节点(diǎn )获(huò )取,如果(guǒ )获(huò )取不(bú )到(dào )就(jiù )next,这些(xiē )队列并(bìng )不删除,jvm会(huì )自(zì )动在内存(cún )不够的时候删除
Copyright © 2008-2018