还要注意在创建类实例时没有声明、也没有new运算符。

Also notice the lack of declarations and the lack of a new operator when creating class instances.

youdao

更有可能是其他用于创建类实例的代码导致了过度的内存占用。

Most likely, other code is responsible for creating instances of the classes that have caused the extensive memory usage.

youdao

此成员是静态的，可在不创建类实例的情况下调用。

This member is static and can be invoked without creating an instance of the class.

youdao

Now I have the ability to say, I've got a new class, I can create instances of a line segment, and it's elements are themselves instances of points. OK?

这就是我们要讲模块化的地方了，现在我可以说，我创建了一个新类，我可以创建线段的实例了,这些实例的元素？

麻省理工公开课 - 计算机科学及编程导论课程节选

Is is essentially saying, given 2 things, do they point to exactly the same referent?

或者换种思考的方式，大家记得我说过当我们，调用类的定义声明的时候,它会创建一个实例？

麻省理工公开课 - 计算机科学及编程导论课程节选