👉 The term "pre-exchanging" is a technical concept in computer science that refers to an operation where two or more objects are exchanged without actually physically exchanging any data, but rather by changing their state or contents. This can be done through various means such as swapping memory addresses, writing data into a file, or even manipulating the pointers of other objects. In programming, pre-exchanging is often used in situations where you want to change the behavior of an object without actually modifying its internal state. This
