public static void Main()
{
var node1 = new Node <int>(1);
var node2 = new Node <int>(2);
var node3 = new Node <int>(3);
var node4 = new Node <int>(4);
var node5 = new Node <int>(5);
var node6 = new Node <int>(6);
var node7 = new Node <int>(7);
node4.AddNeighbours(node1);
node4.AddNeighbours(node2);
node1.AddNeighbours(node3);
node2.AddNeighbours(node1);
node2.AddNeighbours(node3);
node2.AddNeighbours(node6);
node2.AddNeighbours(node5);
node3.AddNeighbours(node6);
node6.AddNeighbours(node7);
node5.AddNeighbours(node7);
DFSGraph <int> g = new DFSGraph <int>();
g.DepthFirstSearch(node4);
// o/p will be 4 2 5 7 6 3 1
Console.ReadLine();
}
