IsArray(varname) 所需的varname参数 是指定变量的标识符。 备注 如果变量是数组,则 IsArray返回True;否则,返回False。 对于包含数组的变体,IsArray特别有用。 示例 注意:下面的示例演示了如何在 Visual Basic for Applications (VBA) 模块中使用此函数。 有关使用 VBA 的详细信息,请在搜索旁边的下拉列表中选择...
myArray = Array(ListBox1, CommandButton1) MsgBox myArray(0).Text End Sub 运行后的结果如下图1所示。 图1 示例 示例1:使用Array函数创建数组 Sub TestArray() Dim myArray() As Variant '从逗号分隔的字符串列表中创建数...
Arrays.asList(ints)转换为集合:不支持byte,boolean,char,long,double,float,int 支持相应的封装对象Byte,Boolean,Character,Long,Double,Float,Integer 例子: 1.String String[] s = {"aa","bb","cc"}; List<String> strlist = Arrays.asList(s); for (String str:strlist){ System.out.println(str)...
at System.Collections.ReadOnlyArrayList.Add(Object obj) at SamplesArrayList.Main() After adding a new element to the original ArrayList, The original ArrayList myAL contains: red orange yellow blue The read-only ArrayList myReadOnlyAL contains: red orange yellow blue */ 注解 在创建只读集合后...
numbers(array)()1 &2 &3 &4 &5 &6&7 &8 &9 &1011 &12 &13 &14 &15 &16 &17 &18 &19 &2021 &22 &23 &24 &25 &26 &27 &28 &29 &3031 &32 &33 &34 &35 &36&37 &38 &39 &4041 &42 &43 &44 &45 &46 &47 &48 &49 &50(array)From the list write down:...
ArrayList myFixedSizeAL = ArrayList.FixedSize( myAL ); // Display whether the ArrayLists have a fixed size or not. Console.WriteLine( "myAL {0}.", myAL.IsFixedSize ? "has a fixed size" : "does not have a fixed size" ); Console.WriteLine( "myFixedSizeAL {0}.", myFixedSizeAL...
1new_stus = ['admin','admin1','admin3','柯南','朽木真']2#列表,list 数组,array3#编号叫做下标,索引,角标4#最前面一个元素的下标是0,最后面一个元素的下标是-15print(new_stus[0])6print(new_stus[-1]) 2.给列表增加一个值 1cits = ['admin']2#增加一个值3cits.append('珠海')#在列表...
version added:1.3jQuery.isArray( obj ) obj Type:Object Object to test whether or not it is an array. Note: This API has been deprecated in jQuery 3.2; please use the nativeArray.isArraymethod instead. $.isArray()returns a Boolean indicating whether the object is a JavaScript array (not ...
1(true) where the data inAis found inB. Elsewhere, the array contains logical0(false). IfAandBare tables or timetables, thenismemberreturns a logical value for each row. For timetables,ismembertakes row times into account to determine equality. The output,Lia, is a column vector. ...
(array)()1 &2 &3 &4 &5 &6&7 &8 &9 &1011 &12 &13 &14 &15 &16 &17 &18 &19 &2021 &22 &23 &24 &25 &26 &27 &28 &29 &3031 &32 &33 &34 &35 &36&37 &38 &39 &4041 &42 &43 &44 &45 &46 &47 &48 &49 &50(array)From the list write down:...