加锁 同时队(duì )列可(kě )以无限长吗 什么时(shí )候消减(jiǎn ),同时采用(yòng )了弱引用避免队列过大,造(zào )成(chéng )gc压力 源(yuán )码如下(xià )get recycle scavenge每次(cì )都是(shì )从(cóng )head节点获取(qǔ ),如(rú )果获取(qǔ )不到就(jiù )next,这些(xiē )队(duì )列并不(bú )删(shān )除(chú ),jvm会自动(dòng )在内存不(bú )够的(de )时候删除
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