3 docs tagged with "reference"

Personal reference notes. Primary source: refactoring.guru/design-patterns — go there for animations and deeper examples. This page exists so that "I read about this once" turns into "I actually know this."

A quick-refresher cheat sheet for Java syntax, collections, OOP, and common idioms.

A field guide to common software engineering job titles — what each role actually focuses on day-to-day, the tools/skills that go with it, and roughly what it pays. Useful as a map when deciding what to specialize in, when reading a job posting, or when trying to figure out "wait, what's the actual difference between an SDET and a QA Engineer?"