深拷贝和浅拷贝

1. 浅拷贝（Shallow Copy）：即bit-wise copy，仅通过赋值操作来拷贝类中的每个成员变量；

2. 深拷贝（Deep Copy）：即member-wise copy，会将所指向的对象或变量复制到目的地，因此目的地会拥有自己的本地拷贝。

 

Shallow Copy: Shallow copy is bit-wise copy. A shallow copy copies each member of the class individually using the assignment operator.

Deep Copy: Deep copy is member-wise copy. A deep copy duplicates the object or variable being pointed to so that the destination receives local copy of its own.