| 1 | Are string objects mutable or immutable in C#? C# Programming › Strings in C# | C# Programming | Strings in C# | Beginner |
| 2 | What do you mean by String objects are immutable? C# Programming › Strings in C# | C# Programming | Strings in C# | Beginner |
| 3 | How do you use spread to shallow-copy and merge objects? JavaScript › Destructuring, Spread & Rest | JavaScript | Destructuring, Spread & Rest | Intermediate |
| 4 | Why should you pass objects by const reference? C++ › Const Correctness | C++ | Const Correctness | Beginner |
| 5 | Why can you only store strings in localStorage, and how do you store objects? JavaScript › Browser Storage & Web APIs | JavaScript | Browser Storage & Web APIs | Beginner |
| 6 | How do you overload the '+' operator to support adding two custom objects together? C# › Indexers & Operator Overloading | C# | Indexers & Operator Overloading | Beginner |
| 7 | What does it mean that functions are 'first-class objects' in Python? Python › Functions & Scope | Python | Functions & Scope | Beginner |
| 8 | How does __repr__ help with debugging when printing a list of custom objects? Python › Magic Methods & Operator Overloading | Python | Magic Methods & Operator Overloading | Beginner |
| 9 | How does Python primarily manage memory for objects? Python › Memory Management & Garbage Collection | Python | Memory Management & Garbage Collection | Beginner |
| 10 | How do you declare and initialize an array of objects (reference types) versus an array of primitives, and what is the key difference in their default values? Java › Arrays & Multidimensional Arrays | Java | Arrays & Multidimensional Arrays | Beginner |