加(jiā )锁 同时(shí )队列可以(yǐ )无限长(zhǎng )吗 什(shí )么时(shí )候消减(jiǎn ),同(tóng )时(shí )采用了弱引用避免队列过(guò )大,造成(chéng )gc压(yā )力 源码(mǎ )如(rú )下(xià )get recycle scavenge每次都(dōu )是从(cóng )head节点获(huò )取,如(rú )果获取(qǔ )不到就next,这些(xiē )队列(liè )并不(bú )删除,jvm会(huì )自动在内存不够的时候删除
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