Animal[] animalArray = new Animal[2];
Cow myCow1 = new Cow("Deirdre");
animalArray[0] = myCow1;
animalArray[1] = new Chicken("Ken");
foreach (Animal myAnimal in animalArray)
{
Console.WriteLine("New {0} object added to Array collection, " +
"Name = {1}", myAnimal.ToString(), myAnimal.Name);
}
其中Animal是一个抽象类,Cow和Chicken分别是Animal的继承类。animalArray[0] = myCow1; animalArray[1] = new Chicken("Ken");这两行代码有什么不同,是不是前者是一个对象引用,后者是存在一个隐式的转换?在foreach中能够输出他们响应的对象名和名字吗?
Cow myCow1 = new Cow("Deirdre");
animalArray[0] = myCow1;
animalArray[1] = new Chicken("Ken");
foreach (Animal myAnimal in animalArray)
{
Console.WriteLine("New {0} object added to Array collection, " +
"Name = {1}", myAnimal.ToString(), myAnimal.Name);
}
其中Animal是一个抽象类,Cow和Chicken分别是Animal的继承类。animalArray[0] = myCow1; animalArray[1] = new Chicken("Ken");这两行代码有什么不同,是不是前者是一个对象引用,后者是存在一个隐式的转换?在foreach中能够输出他们响应的对象名和名字吗?
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