👉 "Unfilterable" is a technical concept in computer science that refers to a property of an object or data structure that cannot be changed once it has been created, even if it can be modified later. This means that once you have created an object or data structure, you cannot change its properties or access its internal state. For example, consider the following code: ``` int x = 5; if (x < 10) { // Do something } ``` In