加锁 同(tóng )时(shí )队列可(kě )以(yǐ )无限长吗 什(shí )么时(shí )候消减,同时采用了弱引(yǐn )用避免队列(liè )过(guò )大(dà ),造(zào )成(chéng )gc压(yā )力 源(yuán )码(mǎ )如下get recycle scavenge每次(cì )都(dōu )是从head节点获(huò )取,如(rú )果(guǒ )获取不到就next,这些(xiē )队列(liè )并不删除,jvm会自动在内(nèi )存不够的时候(hòu )删除
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