可以通过周期性地扫描Map,对每一个弱引用调用get(),并在get()返回null时删除那个映射而消除死映射。
来源:互联网摘选RF:Horse puckey!You think I'd come from the dead to warn you about a lame chimera??
胡扯!你以为我从阴间来就是为了叫你当心那只废物奇美拉的吗?
来源:互联网摘选Horse puckey! You think I'd come from the dead to warn you about a lame chimera?
胡扯!你以为我从阴间来就是为了叫你当心那只废物奇美拉的吗?
来源:互联网摘选For as yet they knew not the scripture, that he must rise again from the dead.
9因为他们还不明白圣经的意思, 就是耶稣必要从死里复活.
来源:期刊摘选不然,到摩洛哥费兹的皮革工厂踩著兽尸的毛皮,顺便站在深度及腰的鸽粪堆里试试。
来源:互联网摘选This time he came for me in dead earnest , with clenched fists and fierce scowl.
他紧握双拳,满面怒容, 决意找到我的头上来.
来源:网络文摘精选When the teacher told Jane her mother dead, she keeled right over.
当老师告诉简她母亲去世的消息时, 她立即昏了过去.
来源:词典精选例句A second student is dead following Friday's deadly school shooting north of Seattle.
周五在西雅图北部发生致命校园枪击案,之后又有一名学生死亡。
来源:互联网摘选People pay respects to the dead and clean the graves on the5th of April.
四月五日,人们扫墓并向过世的人表达敬意。
来源:www.kekenet.com周五时候发生在云南和贵州省交界处山区的多起地震灾害已经造成了81人死亡。
来源:互联网摘选如果他不希望那些死过的人还要复活,为亡者祈祷,便是一种多馀而糊涂的事。
来源:互联网摘选He defended the move by saying it is natural for him to pay respects to the country's war dead.
他辩解说,向本国的战争死难者表示敬意,对他而言是很自然的事。
来源:www.keke.comIf not, well, he'd be dead, and his new brothers could wipe their arses with these parchments.
若不去,他就去死好了,这样他新晋的兄弟们就可以用羊皮纸来擦屁股了。
来源:互联网摘选
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