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What is the AddRange method in C# lists?
AddRange method in lists adds an entire collection of elements. Let us see an example −
Firstly, set a list in C# and add elements −
List<int> list = new List<int>(); list.Add(100); list.Add(200); list.Add(300); list.Add(400);
Now set an array of elements to be added to the list −
// array of 4 elements int[] arr = new int[4]; arr[0] = 500; arr[1] = 600; arr[2] = 700; arr[3] = 800;
Use the AddRange() method add the entire collection of elements in the list −
list.AddRange(arr);
Now let us see the complete code and display the list −
using System;
using System.Collections.Generic;
class Demo {
static void Main() {
List<int> list = new List<int>();
list.Add(100);
list.Add(200);
list.Add(300);
list.Add(400);
// array of 4 elements
int[] arr = new int[4];
arr[0] = 500;
arr[1] = 600;
arr[2] = 700;
arr[3] = 800;
list.AddRange(arr);
foreach (int val in list) {
Console.WriteLine(val);
}
}
}
Updated on: 20-Jun-2020
6K+ Views
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