How to define members of a sealed abstract class in a nice way?

如何在一个很好的方式定义一个密封的抽象类的成员？

youdao

Is it poor design to declare a class abstract because it only has static members?

它是糟糕设计声明一个抽象类，因为它只有静态成员?。

youdao

Is it poor design to declare a class abstract because it only has static members?

它是糟糕设计声明一个抽象类，因为它只有静态成员?。

youdao