遍历Java集合(Arraylist,HashSet...)的元素时,可以采用Iterator迭代器来操作 Iterator接口有三个函数,分别是hasNext(),next(),remove()。 今天浅谈remove函数的作用 官方解释为: Removesfromthe underlying collection the last element returned bythisiterator (optional operation). This method can be called only o...
erase : 说明:Removes from thelistcontainer either a single element (position) or a range of elements ([first,last)).This effectively reduces the containersizeby the number of elements removed, which are destroyed.以iterator为单元,对元素进行清除。 返回值:An iterator pointing to the element that ...
可以看到,HashSet中使用的HashMap,key为Set的元素类型,value为Object。 add(E e) 我们来看add方法的实现 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** * Adds the specified element to this set if it is not already present. * More formally, adds the specified element e to this set if...
Set-CMBaselineSummarizationSchedule Set-CMBlmPlaintextStorage Set-CMBlmSetting Set-CMBootImage Set-CMBoundary Set-CMBoundaryGroup Set-CMBoundaryGroupRelationship Set-CMCertificateProfilePfx Set-CMCertificateProfileScep Set-CMCertificateProfileTrustedRootCA Set-CMCertificateRegistrationPoint Set-CMCISupportedPlatfor...
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func remove(Element) -> Element? Removes the specified element from the set. Available when Element conforms to Hashable. func removeFirst() -> Element Removes the first element of the set. Available when Element conforms to Hashable. func remove(at: Set<Element>.Index) -> Element Removes the...
* @return the element that was removed from the list * @throws IndexOutOfBoundsException @inheritDoc */ public E remove(int index) rangeCheck(index); modCount++; E oldValue = elementData(index); int numMoved = size - index - 1; ...
{0}'", vmElementName) set GetComputerSystem = objWMIService.ExecQuery(query).ItemIndex(0) if (Err.Number <> 0) then WriteLog Format1("Err.Number: {0}", Err.Number) WriteLog Format1("Err.Description:{0}",Err.Description) WScript.Quit(1) end if End Function '--- ' RemoveKvpI...
(vl-remove element-to-remove lst) element-to-remove Type: Integer, Real, String, List, File, Ename (entity name), T, or nil The value of the element to be removed; may be any LISP data type. lst Type: List Any list. Return Values Type: List or nil The lst with all ...
Specifies, as a string array, an item or items that this cmdlet excludes in the operation. The value of this parameter qualifies thePathparameter. Enter a path element or pattern, such as*.txt. Wildcard characters are permitted. TheExcludeparameter is effective only when the command includes ...