// Override.cs: virtual and non-virtual non-static methods

using System;

class A {
  public virtual void m1() { Console.Out.WriteLine("A.m1()"); }
  public void m2() { Console.Out.WriteLine("A.m2()"); }
}

class B : A {
  public override void m1() { Console.Out.WriteLine("B.m1()"); }
  public new void m2() { Console.Out.WriteLine("B.m2()"); }
}

class Override {
  static void Main(string[] args) {
    B b = new B();
    A a = b;
    a.m1();             // B.m1()
    b.m1();             // B.m1()
    a.m2();             // A.m2()
    b.m2();             // B.m2()
  }
}