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Kotlin VS Deno

Compare Kotlin VS Deno and see what are their differences

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Contents:
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  2. » Videos
  3. » Reviews
  4. » Alternatives

Kotlin logo Kotlin

Statically typed Programming Language targeting JVM and JavaScript

Deno logo Deno

A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
  • Kotlin Landing page
    Landing page //
    2023-05-09

We recommend LibHunt Kotlin for discovery and comparisons of trending Kotlin projects.

  • Deno Landing page
    Landing page //
    2023-10-15

Kotlin features and specs

  • Interoperability
    Kotlin is fully interoperable with Java, which means developers can use both languages within the same project and have seamless communications between them.
  • Conciseness
    Kotlin reduces boilerplate code, making the codebase easier to read and maintain. It offers concise syntax and reduces the amount of code.
  • Null Safety
    Kotlin's type system is designed to eliminate null pointer exceptions by making all types non-nullable by default, thus enhancing reliability and reducing runtime crashes.
  • Coroutines
    Kotlin provides built-in support for coroutines, which makes writing asynchronous code more straightforward and readable compared to traditional approaches.
  • Modern Language Features
    Kotlin includes advanced features such as lambda expressions, extension functions, higher-order functions, and more, improving productivity and providing more expressive code constructs.
  • Full Tooling Support
    Kotlin is supported by major IDEs like IntelliJ IDEA, Android Studio, Eclipse, and others, with full tooling support including debugging, refactoring, and linting.
  • Community and Ecosystem
    Kotlin has a growing and vibrant community with extensive resources, libraries, and frameworks that support a wide range of programming needs.

Possible disadvantages of Kotlin

  • Learning Curve
    Despite its modern features, Kotlin has a learning curve, especially for developers who are more familiar with Java or other programming languages.
  • Compilation Speed
    Kotlin's compilation speed is often slower compared to Java, which can impact the development workflow, especially in larger projects.
  • Runtime Performance
    While Kotlin performs comparably to Java in many cases, there can be minor performance hits in certain scenarios due to additional language features.
  • Fewer Resources Compared to Java
    Although growing, Kotlin's ecosystem of libraries and frameworks is still smaller compared to Java's well-established and extensive ecosystem.
  • Tooling Maturity
    While support in major IDEs is robust, some third-party tools and plugins may not fully support Kotlin, leading to potential integration issues.
  • Android Specific Challenges
    In the context of Android development, some legacy libraries and tools might not be fully compatible with Kotlin, necessitating additional workarounds.
  • Job Market
    While demand for Kotlin developers is growing, Java still dominates the job market, which may limit opportunities for Kotlin-focused roles in certain regions.

Deno features and specs

  • Security
    Deno has a secure-by-default approach, requiring explicit permission for file, network, and environment access, which reduces the risk of malicious code.
  • Built-in Tooling
    Deno includes built-in tools like a dependency inspector, a code formatter, and a test runner, reducing the need for additional setup.
  • Modern JavaScript/TypeScript
    Deno supports modern JavaScript and has built-in TypeScript support, making it easier to work with contemporary codebases without additional configuration.
  • Simplified Module Management
    Deno uses URLs for importing modules, eliminating the need for a package manager like npm and simplifying dependency management.
  • Compatibility with Web Standards
    Deno aims to be browser-compatible, adhering closely to web standards like the Fetch API, making it easier to share code between the server and the client.

Possible disadvantages of Deno

  • Ecosystem Maturity
    Deno's ecosystem is relatively new compared to Node.js, resulting in fewer libraries, tools, and community resources.
  • Breaking Changes
    Due to its rapid development, Deno can have breaking changes between versions, potentially requiring more frequent updates and code adjustments.
  • Performance
    Deno's performance may not match that of optimized Node.js applications, especially for certain workloads where Node.js has been highly tuned.
  • Learning Curve
    Even though Deno is designed to be familiar to JavaScript and TypeScript developers, it introduces new concepts (like secure-by-default) that may require a learning curve.
  • Limited Enterprise Adoption
    Being relatively new, Deno has limited enterprise adoption, which might make it less appealing for large-scale or long-term projects that rely on a robust support ecosystem.

Kotlin videos

+ Add

10 reasons to try Kotlin for Android development

More videos:

  • Review - What can Kotlin do for me? (GDD Europe '17)
  • Review - Java or Kotlin for Android Development – Which One Is Better?

Deno videos

+ Add

Why nobody is using Deno?

More videos:

  • Review - What is Deno & Will it replace Node.js?
  • Review - Will Deno replace Node.js: Which programming language is better? | TechLead

Category Popularity

0-100% (relative to Kotlin and Deno)

Kotlin

Deno

Programming Language
100 100%
Programming Language
0% 0
Typescript
0 0%
Typescript
100% 100
OOP
100 100%
OOP
0% 0
JavaScript
0 0%
JavaScript
100% 100

User comments

Share your experience with using Kotlin and Deno. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Kotlin and Deno

Kotlin Reviews

Explore 9 Top Eclipse Alternatives for 2024
Cross-platform development with variants targeting JVM (Kotlin/JVM), JavaScript (Kotlin/JS), and native code (Kotlin/Native).
Source: aircada.com
Top 10 Rust Alternatives
The last computer programming language to stand out as an exceptional alternative to Rust is named Kotlin. It is typed statically and was manufactured for Java machines.
Source: blog.back4app.com

Deno Reviews

We have no reviews of Deno yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Deno should be more popular than Kotlin. It has been mentiond 200 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Kotlin mentions (81)

  • Doodle Weather Clone
    Doodle helps you create beautiful, modern apps entirely in Kotlin. Its render model is intuitive yet powerful, making it easy to achieve complex UIs with pixel level precision and layouts. This simplicity and power applies to everything from user input to drag and drop. Doodle lets you build and animate anything. - Source: dev.to / 2 months ago
  • Kotlin vs. Java: A Grand Finale and Farewell (But Not Goodbye!)
    Kotlin Official Website: Your one-stop shop for all things Kotlin, with comprehensive documentation, tutorials, and resources: https://kotlinlang.org/. - Source: dev.to / 6 months ago
  • Day 0 of #100daysofMiva || Setting up for success
    Next, I selected the technologies and frameworks I want to focus on during this challenge. For frontend development, I'll be exploring Reactjs, Vue.js, Bootstrap, Next.js, and MUI. For backend development, I'll be diving into Express, Django, Node.js, PHP, and Firebase. Additionally, I'll be learning Kotlin, React Native, and Flutter for mobile development, and APIs, PostgreSQL, Cloud, and MongoDB for full stack... - Source: dev.to / 9 months ago
  • Better Animations... in Latest Doodle
    Doodle helps you create beautiful, modern apps entirely in Kotlin. Its render model is intuitive yet powerful, making it easy to achieve complex UIs with pixel level precision and layouts. This simplicity and power applies to everything from user input to drag and drop. Doodle lets you build and animate anything. - Source: dev.to / 11 months ago
  • The Top Programming Languages to Learn in 2024
    Kotlin, fully interoperable with Java, is increasingly used for Android app development. It offers a more concise syntax and improved safety features compared to Java, making it a modern language for mobile development. Discover more about Kotlin here. - Source: dev.to / 11 months ago
View more

Deno mentions (200)

  • Benchmarking in Node.js vs Deno: A Comprehensive Comparison
    Deno.bench("URL parsing", () => { new URL("https://deno.land"); }); Deno.bench("Async method", async () => { await crypto.subtle.digest("SHA-256", new Uint8Array([1, 2, 3])); }); Deno.bench({ name: "Long form", fn: () => { new URL("https://deno.land"); }, }); Deno.bench({ name: "Date.now()", group: "timing", baseline: true, fn: () => { Date.now(); }, }); Deno.bench({ name:... - Source: dev.to / 5 months ago
  • Deno 2.0 REST API Explained: Faster, Secure JavaScript Development
    // Importing the serve function from Deno's standard library Import { serve } from "https://deno.land/std@0.196.0/http/server.ts"; // Function to handle requests Async function handler(req: Request): Promise { const { pathname, searchParams } = new URL(req.url); // Handling different routes if (pathname === "/api/greet" && req.method === "GET") { const name = searchParams.get("name") ||... - Source: dev.to / 7 months ago
  • Building a Simple Todo App with Deno and Oak
    Import { Application, Router } from "https://deno.land/x/oak/mod.ts";. - Source: dev.to / 7 months ago
  • LogTape: Zero-Dependency Logging for JavaScript That Just Works
    LogTape is a shiny new logging library for JavaScript and TypeScript that's designed with one goal in mind: to make logging simple, flexible, and hassle-free across all your JavaScript environments. Whether you're building applications for Deno, Node.js, Bun, edge functions, or browsers, LogTape has got you covered. - Source: dev.to / 9 months ago
  • Alternatives to npm: Exploring Different Package Managers for JavaScript Development
    You can install Deno by following the instructions on its official website. - Source: dev.to / 11 months ago
View more

What are some alternatives?

When comparing Kotlin and Deno, you can also consider the following products

JavaScript - Lightweight, interpreted, object-oriented language with first-class functions

Bun.sh - Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node.js-compatible package manager.

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Dart - A new web programming language with libraries, a virtual machine, and tools

Fresh Framework - Fresh is a next generation web framework, built for speed, reliability, and simplicity.

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