An integer value representing the number of 表示集合中的
Representing the zero - based index of the new item in the collection ,表示集合中新项的从零开始的索引。
Represents a collection of associated 表示集合的
That represents the collection 一个表示集合的
Represents a collection of the 表示集合的
Representing the first role group in the collection that contains the specified user account ,表示集合中包含指定用户帐户的第一个角色组。
The former means that the index of the first item in the collection is 0 , and the latter means that it is 1 前者表示集合中第一个项的索引为0 ,而后者表示此索引为1 。
The approach itself depends on using an object that represents a specific location within a collection , along with a loop condition one that increments its logical position within the collection to traverse all the elements in the collection 这种方式本身要使用一个表示集合中特定位置的对象,并用一个循环条件(在集合中增加其逻辑位置)以遍历集合中所有元素。