Java 与 Kotlin 对比:30项指标
Java 对比 Kotlin
Java
Java 是一种Object-Oriented, Functional编程语言,首次出现于 1995 年,由 James Gosling 设计。主要应用场景:Backend Services, Enterprise Applications, Android。
Kotlin
Kotlin 是一种Object-Oriented, Functional编程语言,首次出现于 2011 年,由 JetBrains 设计。主要应用场景:Backend Services, Enterprise Applications, Android。
30项指标
| 指标 | Java | Kotlin |
|---|---|---|
| GitHub Stars | 67614 | 57848 |
| Stack Overflow Tags | 836938 | 812870 |
| TIOBE Rank | 4 | 33 |
| RedMonk Rank | 2 | 20 |
| PYPL Rank | 19 | 39 |
| Average Salary (USD) | 126537 | 125921 |
| Job Postings | 41128 | 38742 |
| Benchmarks Score | 0.91 | 0.98 |
| Learning Curve | Hard | Hard |
| Community Size | Very Large | Large |
| Documentation Quality | 8 | 8 |
| Ecosystem Maturity | 9 | 8 |
| Industry Adoption | 9 | 8 |
| Type System Complexity | 9 | 9 |
| Concurrency Support | 10 | 10 |
| Performance - Execution Speed | 10 | 10 |
| Performance - Memory Usage | 10 | 10 |
| Performance - Startup Time | 10 | 9 |
| Tooling Quality | 10 | 7 |
| Package Manager Quality | 9 | 9 |
| IDE Support | 9 | 8 |
| Debugging Experience | 10 | 8 |
| GitHub Stars Rank | 2 | 21 |
| Stack Overflow Tags Rank | 10 | 18 |
| Average Salary Rank | 15 | 17 |
| Job Postings Rank | 12 | 21 |
| Benchmarks Rank | 14 | 8 |
| Learning Curve Score | 3 | 2 |
| Community Size Score | 10 | 8 |
| AHP Score | 8.41 | 7.66 |
AHP综合评分
- Java: 8.41 (#5)
- Kotlin: 7.66 (#22)
Java | ######## 8.41
Kotlin | ######## 7.66
何时选择Java
Backend Services, Enterprise Applications, Android. Java 是一种Object-Oriented, Functional编程语言,首次出现于 1995 年,由 James Gosling 设计。主要应用场景:Backend Services, Enterprise Applications, Android。
何时选择Kotlin
Backend Services, Enterprise Applications, Android. Kotlin 是一种Object-Oriented, Functional编程语言,首次出现于 2011 年,由 JetBrains 设计。主要应用场景:Backend Services, Enterprise Applications, Android。
Hello World 示例
Java:
public class Main { public static void main(String[] a){ System.out.println("Hello, World!"); } }
Kotlin:
fun main(){ println("Hello, World!") }