When referring to the classes Open Close Principle can be ensured by use of Abstract classes and concrete classes for implementing their behavior.

当提及类的打开关闭原则，它可以通过抽象类和实体类实现行为的方式来确保。

youdao

This violated the Open Close [d] Principle.

这违反了开闭原则。

youdao

The Open-Close Principle.

开发—封闭原则。

youdao

The Open-Close Principle.

开发—封闭原则。

youdao