static void Main(string[] args)
{
FourOperations fourOperations = new FourOperations();
fourOperations.Add(5, 6);
fourOperations.Add(6, 9);
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
FourOperations operations = new FourOperations();
operations.Add(6, 5);
operations.Add(8, 7);
}
static void Main(string[] args)
{
if (args is null)
{
throw new ArgumentNullException(nameof(args));
}
FourOperations fourOperations = new FourOperations();
fourOperations.Sum(10, 2);
}
