C# (CSharp) CompositionEg_1 Walkable示例

示例#1

 public Duck(Swimmable s, Walkable w)
 {
     this.s = s;
     this.w = w;
 }

示例#2

 public Human(Walkable w, Swimmable s)
 {
     this.s = s;
     this.w = w;
 }