Traversing Multi-dimensional Rectangular Arrays

public class MatrixProcessor {
    public void ProcessMatrix() {
        int[,] matrix = new int[2, 3] {
            { 1, 2, 3 },
            { 4, 5, 6 }
        };
 
        for (int i = 0; i < matrix.GetLength(0); i++) {
            for (int j = 0; j < matrix.GetLength(1); j++) {
                System.Console.WriteLine($"Element at [{i},{j}]: {matrix[i, j]}");
            }
        }
    }
}