加(jiā )锁 同时队(duì )列可以无限(xiàn )长吗 什么时(shí )候消减(jiǎn ),同时(shí )采用(yòng )了(le )弱引用避免队列(liè )过大,造(zào )成gc压力 源(yuán )码(mǎ )如下get recycle scavenge每(měi )次都(dōu )是从head节(jiē )点获取,如(rú )果获取不到就(jiù )next,这(zhè )些队(duì )列并(bìng )不删(shān )除,jvm会自(zì )动在内存不(bú )够的时候删除
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