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How to define a rectangular array in C#?
Multi-dimensional arrays are also called rectangular array. You can define a 3-dimensional array of integer as −
int [ , , ] a;
Let us see how to define a two-dimensional array −
Int[,] a = new[3,3]
The following is an example showing how to work with a multi-dimensional i.e. rectangular array in C# −
Example
using System;
namespace Demo {
class Program {
static void Main(string[] args) {
int[,] a = new int[3, 3];
a[0,1]= 1;
a[0,2]= 2;
a[1,0]= 3;
a[1,1]= 4;
a[1,2]= 5;
a[2,0]= 6;
a[2,1]= 7;
a[2,2]= 8;
int i, j;
for (i = 0; i < 3; i++) {
for (j = 0; j < 3; j++) {
Console.WriteLine("a[{0},{1}] = {2}", i, j, a[i,j]);
}
}
Console.ReadKey();
}
}
}Output
a[0,0] = 0 a[0,1] = 1 a[0,2] = 2 a[1,0] = 3 a[1,1] = 4 a[1,2] = 5 a[2,0] = 6 a[2,1] = 7 a[2,2] = 8
Updated on: 20-Jun-2020
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