加锁 同时队(duì )列(liè )可以无(wú )限(xiàn )长(zhǎng )吗 什么时(shí )候(hòu )消减,同时(shí )采用(yòng )了弱引用避免队列(liè )过(guò )大,造成gc压力 源码(mǎ )如下(xià )get recycle scavenge每次都是(shì )从head节点获取,如果获取(qǔ )不到就next,这(zhè )些队(duì )列并不(bú )删除,jvm会(huì )自动在(zài )内存(cún )不够的时(shí )候删(shān )除
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