加(jiā )锁 同时(shí )队列可以无(wú )限长吗 什(shí )么时(shí )候(hòu )消(xiāo )减(jiǎn ),同时采(cǎi )用(yòng )了(le )弱引用避免队(duì )列过大(dà ),造成gc压力 源码如下get recycle scavenge每次都是从head节点(diǎn )获(huò )取,如果(guǒ )获(huò )取不到就next,这些队(duì )列并不删除,jvm会自(zì )动在(zài )内存(cún )不够(gòu )的时候删(shān )除(chú )
Copyright © 2008-2018