里氏替换原则是面向对象编程中的一个基本概念,它指出子类的对象应该能够替换超类的对象而不影响程序的正确性。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
预测未来的最好方式就是创造未来。
The principle goal of education is to create men who are capable of doing new things, not simply repeating what other generations have done.