inheritance.cs

using System;

namespace Test {
	class MainClass {
		public static void Main(string[] args) {
			Student charlie = new Student ("Charlie", 7);
			charlie.WhoAreYou();
		}
	}

	class Person {
		private string name;
		
		public Person (string name) {
			this.name = name;
		}
		
		public void Greet () {
			Console.WriteLine ("Greetings from " + this.name);
		}
	}

	class Student : Person {
		private int averagegrade;

		public Student (string name, int averagegrade) : base(name) {
			this.averagegrade = averagegrade;
		}

		public void WhoAreYou () {
			Greet ();
			Console.WriteLine ("My average grade is a " + this.averagegrade);
		}
	}
}