Java: Code Reading with Modern Java

Autoboxing can lead to performance issues due to unnecessary object creation.

In Java, autoboxing automatically converts primitive types to their corresponding wrapper classes, like `int` to `Integer`. This can be inefficient inside loops, where each iteration may create a new object. For example, using `Integer` in a loop can lead to many unnecessary objects, which can degrade performance. Instead, prefer using primitive types directly in loops to avoid this overhead.