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How do you use ‘foreach’ statement for accessing array elements in C#
To access Array elements in a foreach statement, use the numeric index.
Let’s say the following is our code.
Example
using System;
namespace ArrayApplication {
class MyArray {
static void Main(string[] args) {
int [] n = new int[10]; /* n is an array of 10 integers */
/* initialize elements of array n */
for ( int i = 0; i < 10; i++ ) {
n[i] = i + 100;
}
/* output each array element's value */
foreach (int j in n ) {
int i = j-100;
Console.WriteLine("Element[{0}] = {1}", i, j);
}
Console.WriteLine(n);
Console.ReadKey();
}
}
}Output
Element[0] = 100 Element[1] = 101 Element[2] = 102 Element[3] = 103 Element[4] = 104 Element[5] = 105 Element[6] = 106 Element[7] = 107 Element[8] = 108 Element[9] = 109 System.Int32[]
Now let’s say you need the second element. For that, use.
int a = n[1];
The above will give the second element i.e. 101.
Updated on: 23-Jun-2020
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