Clean Code Schulung

Kurs Code

CleanC

Dauer

14 hours (üblicherweise 2 Tage inklusive Pausen)

Voraussetzungen

There are no specific requirements needed to attend this course.

Überblick

Warum brauchen wir Clean Code? Programme entwickeln sich, daher wird der Code ständig aktualisiert Es kann sehr, sehr schwierig sein, durch unsauberen Code zurück zu gehen, um den Quellcode im Durchschnitt zu finden und zu aktualisieren Die Kosten des Schreibens des ursprünglichen Codes betragen nur 40% der Gesamtkosten eines Systems ; 60% der Kosten werden im Durchschnitt für die Pflege und Aktualisierung von Code aufgewendet Schlechter Code erhöht dramatisch das 40/60-Verhältnis, grenzt im schlimmsten Fall an 20/80; Je unreiner der Code ist, desto mehr Zeit verbringen wir damit, ihn zu aktualisieren .

Machine Translated

Schulungsübersicht

Day 1

Introduction

Good and standardized naming

-names of packages, files, classes, voids and functions as well as variables need to have meaningful names derived from their purpose

-should be readable

-should be searchable

-consider the namespace we're generating; does it make sense?

Classes, objects and data structures

-there's a difference between objects that do something and structures that simply contain data

-when to use data structures, and why

-when to use objects, and why

-OOD and abastraction

-getters/setters and why

-better to have many small classes, with many small voids and functions

Good comments

-there are good and bad comments;

-we need to know how to generate good comments and forget about the rest

 

Day 2

Functions

-one thing only

-small

-arguments (good and bad)

-unintended side effects

Error handling

-when to handle errors, when to let them bubble up

-if we handle an exception, what do we do with it and why

-custom error handling classes

Code Formatting: how can we better format the code

Test-Driven Design: Open discussion of Uncle Bob's idea that programs should be TDD

 

Erfahrungsberichte

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