加锁(suǒ ) 同(tóng )时队(duì )列(liè )可以无(wú )限(xiàn )长(zhǎng )吗 什么时(shí )候(hòu )消减(jiǎn ),同时采(cǎi )用了弱引(yǐn )用避免队列过大,造成gc压(yā )力 源(yuán )码如(rú )下get recycle scavenge每次都是从(cóng )head节(jiē )点获(huò )取,如果获取不到就next,这些队列并不(bú )删(shān )除,jvm会(huì )自动(dòng )在内存不(bú )够(gòu )的时候(hòu )删除
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