public bool IsOlderThan(Student other) { return this.BirthDate < other.BirthDate; }
public static void Main() { Console.WriteLine(CalculateTriangleArea(3, 4, 5)); Console.WriteLine(ConvertDigitToString(5)); Console.WriteLine(FindBigestElementIndex(5, -1, 3, 2, 14, 2, 3)); PrintFormattedNumber(1.3, "f"); PrintFormattedNumber(0.75, "%"); PrintFormattedNumber(2.30, "r"); bool horizontal, vertical; double distance = CalculateDistanceAndDirection(3, -1, 3, 2.5, out horizontal, out vertical); Console.WriteLine(distance); Console.WriteLine("Horizontal? " + horizontal); Console.WriteLine("Vertical? " + vertical); Student peter = new Student("Peter", "Ivanov", new DateTime(1992, 3, 17), "Sofia"); Student stella = new Student("Stella", "Markova", new DateTime(1993, 3, 11), "Vidin", "gamer, high results"); Console.WriteLine("{0} older than {1} -> {2}", peter.FirstName, stella.FirstName, peter.IsOlderThan(stella)); }