加(jiā )锁 同时队列可以无限长吗 什么(me )时候消(xiāo )减,同(tóng )时采用了弱引用(yòng )避免(miǎn )队列过大,造成gc压(yā )力 源码(mǎ )如下get recycle scavenge每次(cì )都是从(cóng )head节(jiē )点(diǎn )获取(qǔ ),如(rú )果获(huò )取不到就(jiù )next,这(zhè )些(xiē )队(duì )列(liè )并不删除(chú ),jvm会(huì )自动在内存不够的时(shí )候删除(chú )
Copyright © 2008-2018