Stop Storing Flat Data Like Objects: Why int[] Beats Integer[] in Java
![Stop Storing Flat Data Like Objects: Why int[] Beats Integer[] in Java primitive vs object arrays](https://heappulse.com/wp-content/uploads/2026/03/primitive_vs_object_arrays-768x337.png)
Arrays are one of the most popular data structures in Java, and they are designed to be fast. Even though arrays are objects in Java, they are still laid out in memory in a way that makes access very efficient.…
