加锁(suǒ ) 同(tóng )时(shí )队列可以(yǐ )无限长吗 什(shí )么时(shí )候消减,同时(shí )采用(yòng )了(le )弱引(yǐn )用(yòng )避免队(duì )列(liè )过大,造成gc压力 源码如下(xià )get recycle scavenge每次都是(shì )从(cóng )head节点(diǎn )获取,如(rú )果获取不到就(jiù )next,这些(xiē )队列(liè )并不删除,jvm会自动在内存不够(gòu )的时候删除(chú )
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