1，java中fail-fast 和 fail-safe的区别
Iterator的安全失败是基于对底层集合做拷贝，因此，它不受源集合上修改的影响。java.util包下面的所有的集合类都是快速失败的，而java.util.concurrent包下面的所有的类都是安全失败的。快速失败的迭代器会抛出ConcurrentModificationException异常，而安全失败的迭代器永远不会抛出这样的异常。
fail （动词） 失败
disappoint （动词） 失望
失败导致失望，一个是因，一个是果
其区别可以从下面例句看到：
I failed. Of course I am disappointed.
My failure disappoints me.
I am disappointed that I have failed.
My failure is a big disappointment to me.
2，failed是什么意思中文
”failed“的意思：adj. 已失败的，不成功的、v. 失败，不成功（fail的过去式和过去分词）1、读音：英 [feɪld] 、美 [feɪld] 2、相关短语：Failed States 失败的国家 ; 失效国家 ; 失利国度Installation Failed 安装失败failed arm 断裂滑块memory failed 进程的内存失败 ; 内存进程失败 ; 进程内存失败failed loveContents 失败的恋爱3、例句：He was afraid the revolution they had started would fail.他担心他们发起的革命会失败。扩展资料：”failed“的近义词：defeated1、读音：英 [dɪ'fiːtɪd] 2、表达意思：v. 击败，挫败（defeat 的过去式和过去分词）、adj. 被击败的；受挫的，泄气的3、相关短语：defeated suit 翻译being defeated 战败Defeated Tiphereth 击败蒂弗雷特Defeated Netzach 击败涅札克Seemingly Defeated 似乎击败4、例句：The bill was defeated with support from only two congressmen.由于只得到两位议员的支持，那个议案被否决了。
3，英语好的谁能帮我翻译下啊
Building intellectualized system is a new emerging things , the definition resembling it right away is like that, any different organization view having diversity to its made up of , the especially new technology and new subsystem uninterrupted growth, can be used building intellectualized system classification and being composed of especially complicated connotation , have lots of moment one build system not bad divide to being system more. Building intellectualized system includes the automatic system communicating by letter (CAS), building world automatic system (BAS), and (CAS) the automation communicating by letter is systematic. The building runs administrative supervisory control in world automation including building equipment , the gear giving an alarm and fighting fire controls , electric elevator operation controls a conflagration, the common safe technology keeps watch. This time I am to keep watch system to the automatic system communicating by letter and common safety carrying out main design mainly. By the design to synthetical arrangement of wire , network and cable television, be that intelligent building designed by me realizes information intercommunication , data inquiry and resource share domestic and foreign etc.I have designed video frequency supervisory control system , the warning system guarding against theft mainly in common fail-safe system, entrance guard system composes in reply this several large scale system, by designing that the feasible edifice is able to wait until maximal safety ensures that keeping watch. Have designed many system this time, the go along uniting them by integration to a platform manages.
4，Failed to open file 这是什么意思?
无法打开文件failed 英 [feɪld] 美 [feld] adj. 已失败的，不成功的v. 失败，不成功（fail的过去式和过去分词）tile [tail]n.1.【建筑业】2.(麻将的)(一张)牌3.[口语]帽子；高顶硬礼帽 vt.1.铺瓦于，铺砖于；用瓦铺(屋顶等)；铺以瓷砖；在…敷设瓦管2.(秘密组织集会时)派人守望3.使(秘密组织)发誓保守秘密；使严守秘密4.【计算机】瓷砖式显示，并列式窗口5.【计算机】瓷砖式覆盖短语1.fly a tile [俚语]把帽子打掉，打掉别人的帽子2.go (或 be) on the tiles [俚语]花天酒地，纵情玩乐 [亦作 be out on the tiles]3.have a tile loose [俚语]有点发疯；有点神经病，神经有点错乱，头脑有些不正常4.on (或 upon) the tiles [英国口语]放荡，寻欢作乐，纵情玩乐，花天酒地5.tile in 用砖片围住变形vt. tiled tiling
