A static variable is shared by every instance of a class. There is only one copy of a static variable, regardless of how many objects you create

Need to put a primitive in an ArrayList? Java wrappers like Integer and Double let you treat numbers as objects

Autoboxing makes life easy by automatically converting primitives to their wrapper types. Be careful, though: unboxing a null wrapper will cause a NullPointerException at runtime

To create a constant in Java, mark it public, static, and final. These variables are usually named in all caps, like MAX_SIZE, to keep things clear

We rebuilt Next.js in a week. No, really. The team ported the framework to run natively on Workers to prove what’s possible with edge-first architecture. Dive into the technical hurdles we solved to eliminate Node.js dependencies. cfl.re/4ciNc3L