public static void Main()
char[,] helloWorld = new char[2,5];
char exclamationMark = '!';
string sHello, sWorld, sHelloWorld;
sHello = Convert(helloWorld, 0);
sWorld = Convert(helloWorld, 1);
sHelloWorld = Merge(Merge(sHello, sWorld), exclamationMark);
public static string Convert(char[,] a, int n)
for (int i=0; i < a.GetLength(1); i++)
public static string Merge(string a, string b)
public static string Merge(string a, char b)
public static void WriteLine(string a)