- 时间:2017-08-23 整理:byzqy
题目:写出程序的输出结果:
文件:Program.cs
1 using System;
2
3 namespace Interview1
4 {
5 public abstract class A
6 {
7 public A()
8 {
9 Console.WriteLine('A');
10 }
11 public virtual void Fun()
12 {
13 Console.WriteLine("A.Fun()");
14 }
15 }
16
17 public class B : A
18 {
19 public B()
20 {
21 Console.WriteLine('B');
22 }
23 public new void Fun()
24 {
25 Console.WriteLine("B.Fun()");
26 }
27 public static void Main()
28 {
29 A a = new B();
30 a.Fun();
31
32 Console.ReadKey();
33 }
34 }
35 }
输出结果: