📅 My Learning Journey

Alright 🚀 — here’s your Java Optional “Refactor Map” in a one-page visual-style table so you can instantly see how to replace common null patterns with Optional equivalents. Java Option...

This will show you how to replace old  null  checks with  Optional  in  real-world code  for cleaner, safer, and more functional-style Java. 1. Before: Trad...

Java Optional Cheat Sheet Category: Creation Methods / Descriptions: > Optional.empty() - Creates an empty Optional > Optional.of(value) - Creates Optional with non-null ...

java.util.Optional What is  Optional ? Optional<T>  is a  container object  introduced in  Java 8  to represent a value that may or may not be presen...

BIG thanks to iluwater , Java design Patterns website and book helping me learn Java. Abstract Document design pattern provides consistent way to handle hierarchical and tree-like data str...