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  5. Flask vs Java

Flask vs Java

OverviewDecisionsComparisonAlternatives

Overview

Java
Java
Stacks148.0K
Followers105.5K
Votes3.7K
Flask
Flask
Stacks19.3K
Followers16.2K
Votes60

Flask vs Java: What are the differences?

Introduction

Flask and Java are two popular programming languages used for web development. While Flask is a micro web framework written in Python, Java is a general-purpose programming language often used for building enterprise-level web applications.

  1. Scalability: One key difference between Flask and Java is their scalability. Flask is better suited for small to medium-sized applications, whereas Java excels in handling large-scale projects. Java's platform independence and robust multi-threading capabilities make it a preferred choice for applications with high traffic and complex business logic.

  2. Ease of Learning: Flask is known for its simplicity and ease of learning. It has a minimalistic and intuitive syntax, making it accessible to beginners. On the other hand, Java has a steeper learning curve due to its extensive libraries and complex syntax. Java requires a solid understanding of object-oriented programming concepts, making it more suitable for experienced developers.

  3. Performance: When it comes to performance, Java usually outperforms Flask. Java applications can be highly optimized and tuned for efficiency, resulting in faster execution times. Flask, while efficient, may not match the raw performance of Java in resource-intensive tasks or scenarios that require real-time processing.

  4. Community and Ecosystem: Java has a vast and mature ecosystem with a strong backing from Oracle and a large community of developers. It offers a wide range of libraries, frameworks, and tools for various purposes, including web development. Flask also has an active community and a growing ecosystem, but it may not provide the same level of diversity and depth as Java.

  5. Deployment and Hosting: Flask applications are relatively easy to deploy, especially when combined with lightweight servers like Gunicorn or uWSGI. Java applications, on the other hand, require a Java Virtual Machine (JVM) to run, which adds an additional layer of complexity to the deployment process. Java applications are commonly hosted on platforms like Apache Tomcat or Jetty.

  6. Integration with Existing Systems: Java has excellent integration capabilities with existing systems and enterprise technologies, such as databases, messaging systems, and enterprise service buses. Its robustness and compatibility make it a preferred choice for developing enterprise-level applications that need to interact with multiple components. Flask, while versatile, may require additional configuration and development effort to achieve the same level of integration.

In summary, Flask is a lightweight and beginner-friendly web framework, ideal for small to medium-sized applications. Java, on the other hand, is a powerful and mature language suitable for large-scale projects with complex requirements and high performance needs.

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Advice on Java, Flask

Erik
Erik

Chief Architect at LiveTiles

May 18, 2020

Decided

C# and .Net were obvious choices for us at LiveTiles given our investment in the Microsoft ecosystem. It enabled us to harness of the .Net framework to build ASP.Net MVC, WebAPI, and Serverless applications very easily. Coupled with the high productivity of Visual Studio, it's the native tongue of Microsoft technology.

614k views614k
Comments
Nick
Nick

Building cool things on the internet 🛠️ at Stream

Sep 5, 2019

Review

I work at Stream and I'm immensely proud of what our team is working on here at the company. Most recently, we announced our Android SDK accompanied by an extensive tutorial for Java and Kotlin. The tutorial covers just about everything you need to know when it comes to using our Android SDK for Stream Chat. The Android SDK touches many features offered by Stream Chat – more specifically, typing status, read state, file uploads, threads, reactions, editing messages, and commands. Head over to https://getstream.io/tutorials/android-chat/ and give it a whirl!

176k views176k
Comments
Ido
Ido

Mar 6, 2020

Decided

When developing a new blockchain, we as a team chose Go lang over Java and other candidates, due to Go being (a) natively suited to concurrency - there are primitives in the language itself (goroutines, channels) that really help with reasoning about concurrency (b) super fast - build time, running, testing are all much faster that Java, this gives a far superior developer experience (c) shorter and stricter than Java - code is much shorter (less verbose), and there is usually one good way to do things, and even the code formatter that is bundled with Go is very opinionated - over a short time this makes reading other people's code far smoother than having to deal with different styles.

You should be aware that Go presently (v1.13) lacks Generics.

267k views267k
Comments

Detailed Comparison

Java
Java
Flask
Flask

Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!

Flask is intended for getting started very quickly and was developed with best intentions in mind.

Statistics
Stacks
148.0K
Stacks
19.3K
Followers
105.5K
Followers
16.2K
Votes
3.7K
Votes
60
Pros & Cons
Pros
  • 608
    Great libraries
  • 446
    Widely used
  • 401
    Excellent tooling
  • 396
    Huge amount of documentation available
  • 334
    Large pool of developers available
Cons
  • 33
    Verbosity
  • 27
    NullpointerException
  • 17
    Nightmare to Write
  • 16
    Overcomplexity is praised in community culture
  • 12
    Boiler plate code
Pros
  • 10
    For it flexibility
  • 9
    Flexibilty and easy to use
  • 7
    User friendly
  • 6
    Secured
  • 5
    Unopinionated
Cons
  • 10
    Not JS
  • 7
    Context
  • 5
    Not fast
  • 1
    Don't has many module as in spring
Integrations
Spring
Spring
No integrations available

What are some alternatives to Java, Flask?

JavaScript

JavaScript

JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.

Python

Python

Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.

PHP

PHP

Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

Ruby

Ruby

Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorite languages (Perl, Smalltalk, Eiffel, Ada, and Lisp) to form a new language that balanced functional programming with imperative programming.

Golang

Golang

Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction. Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection. It's a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.

HTML5

HTML5

HTML5 is a core technology markup language of the Internet used for structuring and presenting content for the World Wide Web. As of October 2014 this is the final and complete fifth revision of the HTML standard of the World Wide Web Consortium (W3C). The previous version, HTML 4, was standardised in 1997.

C#

C#

C# (pronounced "See Sharp") is a simple, modern, object-oriented, and type-safe programming language. C# has its roots in the C family of languages and will be immediately familiar to C, C++, Java, and JavaScript programmers.

ExpressJS

ExpressJS

Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.

Scala

Scala

Scala is an acronym for “Scalable Language”. This means that Scala grows with you. You can play with it by typing one-line expressions and observing the results. But you can also rely on it for large mission critical systems, as many companies, including Twitter, LinkedIn, or Intel do. To some, Scala feels like a scripting language. Its syntax is concise and low ceremony; its types get out of the way because the compiler can infer them.

Elixir

Elixir

Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain.

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