C# (CSharp) Chapter_Three Beverage示例

示例#1

 public Whip(Beverage b)
 {
     this.beverage = b;
 }

示例#2

 public Mocha(Beverage b)
 {
     this.beverage = b;
 }

示例#3

 public Soy(Beverage b)
 {
     this.beverage = b;
 }