I saw bitwise operations everywhere. I was lost. Now I understand them. These operators let you store multiple true or false values in one number. You pack flags into one integer. This is fast.

- It is type-safe. - It is much faster than a HashSet. - It handles bitwise operations for you. 3. Use ConcurrentHashMap.computeIfAbsent for caches If you build a cache, you often write complex code ...

JSBI is a pure-JavaScript implementation of the ECMAScript BigInt proposal, which officially became a part of the JavaScript language in ES2020. Native BigInts are already shipping in modern browsers ...

Subsequent operations in the same expression chain are suppressed, too. In an indexed assignment, the expression expr to be assigned is also not evaluated in this case. This matters when expr has side ...