摘要:ArrayList 1.引用命名空间:using System.Collections; 2.语法:ArrayList arr= new ArrayList(); 3.添加元素:arr.Add(object value) //返回值是int类型,当前添加元素的索引 4.访问单个元素:(类型)arr[
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posted @ 2021-06-09 10:48
posted @ 2021-06-09 10:48
posted @ 2021-06-09 10:31
posted @ 2021-06-04 11:26
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