Elegant Objects (EO) is an object-oriented programming paradigm that renounces traditional techniques like null, getters-and-setters, code in constructors, mutable objects, static methods, annotations, type casting, implementation inheritance, data objects, etc.
Books:
Online: Telegram chat.
Join our soalition if you are ready to help.
Twitter: #elegantobjects.
Videos:
Events:
Blogs:
- Seven Virtues of a Good Object by @yegor256
- Dolls and Maquettes by @amihaiemil
- Pragmatic Objects by @skapral
- Programming Ideas by @vzurauskas
Languages: EO (experimental).
Principles:
- No null (why?)
- No code in constructors (why?)
- No getters and setters (why?)
- No mutable objects (why?)
- No readers, parsers, controllers, sorters, and so on (why?)
- No static methods, not even private ones (why?)
- No instanceof, type casting, or reflection (why?)
- No public methods without a contract (interface) (why?)
- No statements in test methods except assertThat (why?)
- No ORM or ActiveRecord (why? and why?)
- No implementation inheritance (why? and why?)
Frameworks/libraries:
- Takes by @yegor256 (Java)
- Cactoos by @yegor256 (Java)
- Atoms by @icarus-consulting (C#)
- Kactoos by @neonailol (Kotlin)
- OO-Equivalence by @pragmatic-objects (Java)
- OO-Tests by @pragmatic-objects (Java)
- OO-Memoized by @pragmatic-objects (Java)
- OO-Inference by @pragmatic-objects (Java)
- excel-io by @Vatavuk (Java)
- cactoos-crypto by @g4s8 (Java)
- cactoos-matchers by @llorllale (Java)
- cactoos-math by @VsSekorin (Java)
- cactoos-http by @yegor256 (Java)
- cactoos-jdbc by @fabriciofx (Java)
- cactoos-json by @VsSekorin (Java)
- eo-yaml by @amihaiemil (Java)
- docker-java-api by @amihaiemil (Java)
- sql-boot by @mgramin (Kotlin)
- 2out by @DronMDF (C++)
- eo-envelopes by @victornoel (Java)
- matchers-json by @g4s8 (Java)
- laconic-velocity by @dgroup (Java)
- lazylead by @dgroup (Ruby)
- xlsx-matchers by @dgroup (Java)
- dry-struct by @dry-rb (ruby)
- term4j by @dgroup (Java)
- mbox4j by @dgroup (Java)
- Page by @guseyn (Node.js)
- cutie by @guseyn (Node.js)
- verano-http by @Vatavuk (Java)
- yaapii.http by C# port of verano-http (C#)
- Xive by @icarus-consulting (C#)
- finapi-java-client by @proshin-roman (Java)
- nullfree by @nikialeksey (Java)
- nereides-jackson by @vzurauskas (Java)
- nereides-javax by @vzurauskas (Java)
- elegant-projects by elegant-bro (PHP, Golang)
Products:
If your project is maintained well and designed with the EO spirit in mind, please submit it to the annual quality award and win up to $4,096.
Fans (in alphabetical order): @aikidistas, @aistomin, @alex-semenyuk, @alhadhrami @aliceice, @amihaiemil, @biboran, @dgroup, @dmydlarz, @driver733, @DronMDF, @eduardsi, @fabriciofx, @filfreire, @g4s8, @koeeenig, @kogoia, @maratori, @marijnz0r, @meerownymous, @mgramin, @nakhodkiin, @nicholasruunu, @nikialeksey, @paulodamaso, @proshin-roman, @RRochegude, @Samdespion, @SilasReinagel, @sivaa, @skapral, @smallcreep, @stepanets, @tomasz_bawor, @t-izbassar, @vatavuk, @vblinden, @vssekorin, @vzurauskas, @yegor256.
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