加锁 同(tóng )时队列(liè )可(kě )以无限长(zhǎng )吗 什(shí )么时(shí )候消减,同(tóng )时采用了弱引用(yòng )避(bì )免(miǎn )队(duì )列过大,造成gc压(yā )力 源(yuán )码如下get recycle scavenge每次(cì )都是(shì )从head节(jiē )点获取(qǔ ),如果获取不(bú )到就next,这些队列并(bìng )不(bú )删除(chú ),jvm会自动在内存不够的(de )时候删除
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