加(jiā )锁 同(tóng )时(shí )队(duì )列可以(yǐ )无限长(zhǎng )吗 什(shí )么(me )时候(hòu )消减(jiǎn ),同时采用(yòng )了弱引用避免队列(liè )过大,造成(chéng )gc压力 源码(mǎ )如(rú )下get recycle scavenge每次都是从(cóng )head节点获取(qǔ ),如果获取(qǔ )不到就next,这些队列并不(bú )删除,jvm会(huì )自动在内存不够的(de )时候(hòu )删除
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