Java vs Scala : comparaison de 30 métriques

Java vs Scala

Java

Java est un langage de programmation Object-Oriented, Functional apparu en 1995, conçu par James Gosling. Cas d’usage principaux : Backend Services, Enterprise Applications, Android.

Scala

Scala est un langage de programmation Object-Oriented, Functional apparu en 2004, conçu par Martin Odersky. Cas d’usage principaux : Backend Services, Enterprise Applications, Android.

30 métriques

MétriqueJavaScala
GitHub Stars6761455399
Stack Overflow Tags836938668243
TIOBE Rank449
RedMonk Rank251
PYPL Rank1956
Average Salary (USD)126537108106
Job Postings4112832694
Benchmarks Score0.910.77
Learning CurveHardHard
Community SizeVery LargeLarge
Documentation Quality89
Ecosystem Maturity99
Industry Adoption99
Type System Complexity97
Concurrency Support104
Performance - Execution Speed106
Performance - Memory Usage105
Performance - Startup Time106
Tooling Quality109
Package Manager Quality99
IDE Support99
Debugging Experience109
GitHub Stars Rank225
Stack Overflow Tags Rank1032
Average Salary Rank1541
Job Postings Rank1235
Benchmarks Rank1436
Learning Curve Score34
Community Size Score108
AHP Score8.417.17

Score AHP

  • Java: 8.41 (#5)
  • Scala: 7.17 (#30)
Java            | ######## 8.41
Scala           | ####### 7.17

Quand choisir Java

Backend Services, Enterprise Applications, Android. Java est un langage de programmation Object-Oriented, Functional apparu en 1995, conçu par James Gosling. Cas d’usage principaux : Backend Services, Enterprise Applications, Android.

Quand choisir Scala

Backend Services, Enterprise Applications, Android. Scala est un langage de programmation Object-Oriented, Functional apparu en 2004, conçu par Martin Odersky. Cas d’usage principaux : Backend Services, Enterprise Applications, Android.

Exemple Hello World

Java:

public class Main { public static void main(String[] a){ System.out.println("Hello, World!"); } }

Scala:

object Main extends App { println("Hello, World!") }

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