Interview PrepJava / Spring Boot cheat sheets

Notes for software developer interviews (Vienna/Austria, Java backend focus)

Roadmap

Web/HTTP, Spring Boot, testing, databases, JPA — the backend course roadmap

Data vs. service classes, mutability, streams, SOLID, clean code, design patterns

Big O notation, recursion, sorting and binary search

Shell and terminal basics

Raw course notes behind the Java & OOP cheat sheets