C# - 习题01_写出程序的输出结果a.Fun2(b)、b.Fun2(a)

1 using System;
2
3 namespace InterView
4 {
5 public class A
6 {
7 public virtual void Fun1(int i)
8 {
9 Console.WriteLine(i);
10 }
11 public void Fun2(A a)
12 {
13 a.Fun1(1);
14 Fun1(5);
15 }
16 }
17 }

1 namespace InterView
2 {
3 public class B : A
4 {
5 public override void Fun1(int i)
6 {
7 base.Fun1(i + 1);
8 }
9 }
10 }

1 using System;
2
3 namespace InterView
4 {
5 class Program
6 {
7 static void Main(string[] args)
8 {
9 B b = new B();
10 A a = new A();
11 a.Fun2(b);
12 b.Fun2(a);
13
14 Console.ReadKey();
15 }
16 }
17 }