加锁 同时队列可以无限长吗 什(shí )么时(shí )候(hòu )消减,同时采用了(le )弱引用(yòng )避(bì )免队列过(guò )大,造成(chéng )gc压力 源码(mǎ )如(rú )下get recycle scavenge每次(cì )都是从head节点(diǎn )获取,如果获取(qǔ )不(bú )到就next,这些队(duì )列并不(bú )删(shān )除,jvm会自动(dòng )在(zài )内存不够(gòu )的时(shí )候删除
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