Question

How to use Array.Clear() method to set a range of elements in 2D int array to zero in C#

Answer 1

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[,] arr2d = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };

            Array.Clear(arr2d, 3, 4);

            for (int i = 0; i < arr2d.GetLength(0); i++)
            {
                for (int j = 0; j < arr2d.GetLength(1); j++)
                    Console.Write("{0} ", arr2d[i, j]);
                Console.WriteLine();
            }
        }
    }
}


/*
run:
 
1 2 3
0 0 0
0 8 9

*/

 

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