加(jiā )锁 同时队列可以(yǐ )无限长(zhǎng )吗 什么(me )时(shí )候消减,同时采用了弱引(yǐn )用避免队列过(guò )大,造成gc压(yā )力 源(yuán )码如(rú )下get recycle scavenge每次(cì )都是(shì )从head节点获取(qǔ ),如(rú )果获(huò )取不到就(jiù )next,这(zhè )些队(duì )列(liè )并(bìng )不删除,jvm会(huì )自动在内存不够的时(shí )候(hòu )删除
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