java的list接口的remove方法缺陷?list有两个remove方法,一个是int为形参(按索引键删除),一个是Objec...
If a position is specified then this method returns the removed item. If a value is specified then it returns true if the value was found and false otherwise.If a value is specified and multiple elements in the list have the same value then only the first one is deleted....
because a variable arity method is treated as a fixed arity method in the first phase. For exam...
JavaList.RemoveAt(Int32) Method Reference Definition Namespace: Android.Runtime Assembly: Mono.Android.dll C# publicvoidRemoveAt(intindex); Parameters index Int32 Implements RemoveAt(Int32) Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source ...
Removes the element at the specified position in this list (optional operation). C# [Android.Runtime.Register("remove","(I)Ljava/lang/Object;","GetRemove_IHandler:Java.Util.IListInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]publicJava.Lang.Object? Remove (in...
2)testRemove3-->java.lang.IllegalStateException 此类的JavaDOC部分原文: Signals that a method has been invoked at an illegal or inappropriate time 简单翻译: 信息灯,一个方法在非法或者不恰当的时间内被调用。 因此,问题的根源同上。 3)testCopy1-->java.lang.IndexOutOfBoundsException ...
* Private remove method that skips bounds checking and does not * return the value removed. */ private void fastRemove(int index) modCount++; int numMoved = size - index - 1; if (numMoved > 0) System.arraycopy(elementData, index+1, elementData, index, ...
This method can be called only once per call to next(). The behavior of an iteratorisunspecifiedifthe underlying collectionismodifiedwhilethe iterationisinprogressinany way other than by callingthismethod. 译:从底层集合中移除此迭代器返回的最后一个元素(可选操作)。 每次调用next()时,只能调用此方法...
今天就集合类(List)两个容易出错的方法做个记录,可以引以为戒,并且也提供正常的使用方式,都是在java.utils包,方便使用。 package com.longer.list; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Iterator; ...
通过removeAll方法移除list中和list1一样的元素,定义如下函数: 1 package com.study; 2 3 import java.util.ArrayList; 4 import java.util.List; 5 6 class User { 7 8 private int id; 9 private String name; 10 11 public User() { 12 } ...