Competition of data processing languages on JVM: Kotlin, Scala and SPL
Briefly

Kotlin, Scala, and SPL are prominent open-source data processing languages on the JVM. Kotlin enhances Java efficiency and is versatile for MIS, WebServer, and Android projects, while Scala focuses on back-end big data processing with limited versatility. SPL is aimed at professional data processing, catering to both large and small data needs. Kotlin supports object-oriented and functional programming, whereas Scala excels in both paradigms. SPL, as an interpreted language, does not embrace object-oriented concepts in depth, focusing instead on data processing functionality without broader programming paradigms.
Kotlin is designed to enhance Java efficiency, suitable for various applications including WebServer, Android projects, and game development, demonstrating strong universality.
Scala, oriented towards back-end big data processing, fails to match Kotlin's versatility, being less commonly applied across diverse project types.
SPL functions as a specialized language for data processing, effectively managing frontend/backend data across varying scales, yet lacks the broader applicability seen in Kotlin.
While Kotlin supports both object-oriented and functional programming, Scala presents a more thorough approach to object-oriented practices and offers convenience in functional programming.
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