加(jiā )锁 同时队列可(kě )以无(wú )限长(zhǎng )吗 什(shí )么(me )时(shí )候消减,同(tóng )时采(cǎi )用了(le )弱(ruò )引用(yòng )避免队列过(guò )大,造(zào )成gc压力 源(yuán )码如下get recycle scavenge每(měi )次(cì )都是从(cóng )head节(jiē )点获取,如(rú )果(guǒ )获(huò )取不到就next,这些队列并不删除(chú ),jvm会自动在(zài )内存(cún )不够的时候删除(chú )
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