加锁 同时队(duì )列可(kě )以无限(xiàn )长吗 什(shí )么(me )时候(hòu )消减,同时采用(yòng )了(le )弱引用避(bì )免(miǎn )队列过(guò )大(dà ),造(zào )成gc压(yā )力 源码(mǎ )如下(xià )get recycle scavenge每次都是从(cóng )head节点获(huò )取,如(rú )果获(huò )取不到就next,这些队列(liè )并不删除,jvm会(huì )自动在内存不够(gòu )的(de )时候删除(chú )
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