加锁 同(tóng )时(shí )队列可以无限长吗 什么(me )时(shí )候消减(jiǎn ),同(tóng )时(shí )采用(yòng )了弱引用(yòng )避免(miǎn )队列过(guò )大,造成gc压力 源码如下get recycle scavenge每次都(dōu )是从head节(jiē )点(diǎn )获取(qǔ ),如果获取(qǔ )不(bú )到就(jiù )next,这(zhè )些队列并不(bú )删除,jvm会自动(dòng )在内存(cún )不够的时候(hòu )删(shān )除
Copyright © 2008-2018