不用编辑器,回复你的答案~解决办法
不用编辑器,回复你的答案~~
到处闲逛,看到两个前年的帖子,还真琢磨了一会的~~发上来给大家品品~~
要求:不用编辑器,回复你的答案,不带赖皮的哇~~
第一部分
1.
2.
3.
无耻分割线
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第二部分:
1.
2.
3.
4.
到处闲逛,看到两个前年的帖子,还真琢磨了一会的~~发上来给大家品品~~
要求:不用编辑器,回复你的答案,不带赖皮的哇~~
第一部分
1.
- C# code
using System; class A { public virtual void Foo() { Console.WriteLine("Call on A.Foo()"); } } class B : A { public virtual void Foo() { Console.WriteLine("Call on B.Foo()"); } } class C : B { public override void Foo() { Console.WriteLine("Call on C.Foo()"); } } class D { static void Main() { A c1 = new C(); c1.Foo(); Console.ReadLine(); } }
2.
- C# code
using System; class A { public virtual void Foo() { Console.WriteLine("Call on A.Foo()"); } } class B : A { public override void Foo() { Console.WriteLine("Call on B.Foo() " ); } } class C : B { public new void Foo() { Console.WriteLine("Call on C.Foo()"); } } class D { static void Main() { A c1 = new C(); c1.Foo(); Console.ReadLine(); } }
3.
- C# code
using System; class A { public virtual void Foo() { Console.WriteLine("Call on A.Foo()"); } } class B : A { public virtual new void Foo() { Console.WriteLine("Call on B.Foo() " ); } } class C : B { public override void Foo() { Console.WriteLine("Call on C.Foo()"); } } class D { static void Main() { A c1 = new C(); c1.Foo(); Console.ReadLine(); } }
无耻分割线
===========================================
第二部分:
1.
- C# code
interface IGrandFather { void F(); } class Father:IGrandFather { public void F() { Console.WriteLine("\nFather."); } } class Children:Father { public new void F() { Console.WriteLine("\nChildren."); } } class Test { public static void Main(string[] args) { IGrandFather gf = new Children(); gf.F(); } }
2.
- C# code
interface IGrandFather { void F(); } class Father:IGrandFather { public virtual void F() { Console.WriteLine("\nFather."); } } class Children:Father { public override void F() { Console.WriteLine("\nChildren."); } } class Test { public static void Main(string[] args) { IGrandFather gf = new Children(); gf.F(); } }
3.
- C# code
interface IGrandFather { void F(); } class Father:IGrandFather { public virtual void F() { Console.WriteLine("\nFather."); } } class Children:Father { public void F(string arg) { Console.WriteLine("\nChildren:{0}",arg); } } class Test { public static void Main(string[] args) { IGrandFather gf = new Children(); gf.F(); } }
4.
- C# code
interface IGrandFather { void F(); } abstract class Father:IGrandFather { public void F() { Console.WriteLine("\nFather."); } } class Children:Father { public void F() { Console.WriteLine("\nChildren."); } } class Test { public static void Main(string[] args) { IGrandFather gf = new Children(); gf.F(); } }