Java vs Kotlin: 30 Metrics Comparison

Java vs Kotlin: 30 Metrics Comparison. Java is a Object-Oriented, Functional programming language first appeared in 1995, designed by James Gosling. Main use cases: Backend Services, Enterprise Applic

Java vs Kotlin

Java

Java is a Object-Oriented, Functional programming language first appeared in 1995, designed by James Gosling. Main use cases: Backend Services, Enterprise Applications, Android.

Kotlin

Kotlin is a Object-Oriented, Functional programming language first appeared in 2011, designed by JetBrains. Main use cases: Backend Services, Enterprise Applications, Android.

30 Metrics

MetricJavaKotlin
GitHub Stars6761457848
Stack Overflow Tags836938812870
TIOBE Rank433
RedMonk Rank220
PYPL Rank1939
Average Salary (USD)126537125921
Job Postings4112838742
Benchmarks Score0.910.98
Learning CurveHardHard
Community SizeVery LargeLarge
Documentation Quality88
Ecosystem Maturity98
Industry Adoption98
Type System Complexity99
Concurrency Support1010
Performance - Execution Speed1010
Performance - Memory Usage1010
Performance - Startup Time109
Tooling Quality107
Package Manager Quality99
IDE Support98
Debugging Experience108
GitHub Stars Rank221
Stack Overflow Tags Rank1018
Average Salary Rank1517
Job Postings Rank1221
Benchmarks Rank148
Learning Curve Score32
Community Size Score108
AHP Score8.417.66

AHP Score

  • Java: 8.41 (#5)
  • Kotlin: 7.66 (#22)
Java            | ######## 8.41
Kotlin          | ######## 7.66

When to choose Java

Backend Services, Enterprise Applications, Android. Java is a Object-Oriented, Functional programming language first appeared in 1995, designed by James Gosling. Main use cases: Backend Services, Enterprise Applications, Android.

When to choose Kotlin

Backend Services, Enterprise Applications, Android. Kotlin is a Object-Oriented, Functional programming language first appeared in 2011, designed by JetBrains. Main use cases: Backend Services, Enterprise Applications, Android.

Hello World Example

Java:

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

Kotlin:

fun main(){ println("Hello, World!") }

Other languages