获取C#列表中元素的范围
使用GetRange()方法获取元素范围-
首先,设置一个列表并添加元素-
List<int> arr1 = new List<int>(); arr1.Add(10); arr1.Add(20); arr1.Add(30); arr1.Add(40); arr1.Add(50);
现在,在新列表下获得索引1和3之间的元素范围-
List<int> myList = arr1.GetRange(1, 3);
这是完整的代码-
示例
using System;
using System.Collections.Generic;
public class Demo {
public static void Main() {
List<int> arr1 = new List<int>();
arr1.Add(10);
arr1.Add(20);
arr1.Add(30);
arr1.Add(40);
arr1.Add(50);
Console.WriteLine("Initial List ...");
foreach (int i in arr1) {
Console.WriteLine(i);
}
Console.WriteLine("Getting elements between a range...");
List<int> myList = arr1.GetRange(1, 3);
foreach (int res in myList) {
Console.WriteLine(res);
}
}
}输出结果
Initial List ... 10 20 30 40 50 Getting elements between a range... 20 30 40