加锁 同时(shí )队(duì )列可以(yǐ )无限(xiàn )长(zhǎng )吗 什(shí )么时候消减,同时采用(yòng )了弱引用避(bì )免(miǎn )队列过(guò )大,造成(chéng )gc压(yā )力 源(yuán )码(mǎ )如下get recycle scavenge每次都(dōu )是从head节点获取,如果获(huò )取(qǔ )不到就next,这些(xiē )队列并不删除(chú ),jvm会自动在(zài )内存不(bú )够的时(shí )候删(shān )除
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