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java-coding-standards

by affaan-m

Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, and project layout.

Installation

Pick a client and clone the repository into its skills directory.

Installation

Quick info

Author
affaan-m
Category
Backend
Views
57
GitHub repo

About this skill

Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, and project layout.

How to use

  1. Zapoznaj się z czterema głównymi zasadami: klarowność ponad spryt, domyślna niezmienność, szybkie niepowodzenie z sensownymi wyjątkami oraz spójna nomenklatura i struktura pakietów. 2. Zastosuj konwencje nazewnictwa w swoim kodzie – klasy i rekordy w PascalCase, metody i pola w camelCase, stałe w UPPER_SNAKE_CASE. 3. Preferuj records i pola final zamiast setterów, aby zapewnić niezmienność obiektów domenowych i transferowych. 4. Zwracaj Optional z metod find* i przetwarzaj je za pomocą map/flatMap oraz orElseThrow zamiast get(), unikając NullPointerException. 5. Używaj strumieni do transformacji danych, ale utrzymuj krótkie potoki – dla złożonych operacji wybierz pętle, aby kod pozostał czytelny. 6. Twórz specyficzne wyjątki domenowe (np. MarketNotFoundException) zamiast ogólnych Exception, a przy opakowywaniu błędów technicznych dodaj kontekst.

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