抽象方法重写抽象方法

public abstract class A
{
    public abstract void Process();
}

public abstract class B : A
{
}

public class C : B
{
    public override void Process()
    {
        Console.WriteLine("abc");
    }
}

阿隆-

-- 做记号

public abstract class SomeBaseType
{
    /* Override the ToString method inherited from Object with an abstract
     * method. Non-abstract types derived from SomeBaseType will have to provide
     * their own implementation of ToString() to override Object.ToString().
     */
    public abstract override string ToString();
}

public class SomeType : SomeBaseType
{
    public override string ToString()
    {
        return "This type *must* implement an override of ToString()";
    }
}