加锁 同时(shí )队列(liè )可以无限(xiàn )长吗 什(shí )么时(shí )候消减(jiǎn ),同(tóng )时采用了(le )弱(ruò )引(yǐn )用(yòng )避免队列(liè )过大,造(zào )成gc压(yā )力 源码如下(xià )get recycle scavenge每(měi )次都是(shì )从head节点获(huò )取,如果(guǒ )获取不到就next,这些队(duì )列并不删除(chú ),jvm会自动在内存不(bú )够的时候删(shān )除(chú )
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