我正在阅读有关这些术语的不同文章,但是我无法理解这些术语之间的实际差异。我需要一些真实的示例,例如一些代码示例,以了解抽象和封装的工作原理。 也有人请告诉我多态与重载之间的区别。帮助将不胜感激。
答案 0 :(得分:3)
您好,您可以尝试阅读以下内容,这可能会有所帮助:
Short answer:
They are the same.
Long Answer, (and yet less revealing):
Polymorphism is simply the ability to have many different methods (Or functions,
for those who are used to C-Type programs) to have the same name but act differently
depending on the type of parameters that were passed to the function.
So for example, we may have a method called punch, which accepts no parameters at
all,
and returns an integer:
public int punch()
{
return 3;
}
We could also have a method named punch that accepts a String and returns a
boolean.
public boolean punch(String poorGuyGettingPunched)
{
if(poorGuyGettingPunched.equals("joe"))
{
System.out.println("sorry Joe");
return true;
}
else
return false;
}
That is called polymorphism... And strangely enough, it is also called overloading.
答案 1 :(得分:0)
请参阅此链接,希望对您有所帮助 difference between polymorphism and overloading超载