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How to delete/remove an element from a C# array?
To delete an elements from a C# array, we will shift the elements from the position the user want the element to delete.
Here, first we have 5 elements −
int[] arr = new int[5] {35, 50, 55, 77, 98};Now let’s say we need to delete the element at 2nd position i.e. variable “pos = 2” is set, for that shift the elements after the specified position −
// Shifting elements
for (i = pos-1; i < 4; i++) {
arr[i] = arr[i + 1];
}Now display the result as shown in the complete code below.
Example
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Demo {
class Program {
static void Main() {
int i = 0;
int pos;
int[] arr = new int[5] {35, 50, 55, 77, 98};
Console.WriteLine("Elements before deletion:");
for (i = 0; i < 5; i++) {
Console.WriteLine("Element[" + (i) + "]: "+arr[i]);
}
// Let's say the position to delete the item is 2 i.e. arr[1]
pos = 2;
// Shifting elements
for (i = pos-1; i < 4; i++) {
arr[i] = arr[i + 1];
}
Console.WriteLine("Elements after deletion: ");
for (i = 0; i < 4; i++) {
Console.WriteLine("Element[" + (i + 1) + "]: "+arr[i]);
}
Console.WriteLine();
}
}
}Output
Elements before deletion: Element[0]: 35 Element[1]: 50 Element[2]: 55 Element[3]: 77 Element[4]: 98 Elements after deletion: Element[1]: 35 Element[2]: 55 Element[3]: 77 Element[4]: 98
Updated on: 20-Jun-2020
9K+ Views
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