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Groovy
Groovy

800
411
+ 1
180
Hack
Hack

80
58
+ 1
27
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Groovy vs Hack: What are the differences?

Groovy: A dynamic language for the Java platform. Groovy builds upon the strengths of Java but has additional power features inspired by languages like Python, Ruby and Smalltalk. It makes modern programming features available to Java developers with almost-zero learning curve; Hack: A programming language for HHVM that interoperates seamlessly with PHP. Hack provides instantaneous type checking via a local server that watches the filesystem. It typically runs in less than 200 milliseconds, making it easy to integrate into your development workflow without introducing a noticeable delay.

Groovy and Hack belong to "Languages" category of the tech stack.

"Java platform" is the primary reason why developers consider Groovy over the competitors, whereas "Interoperates seamlessly with php" was stated as the key factor in picking Hack.

Groovy is an open source tool with 1.49K GitHub stars and 414 GitHub forks. Here's a link to Groovy's open source repository on GitHub.

Starbucks, Cask, and PedidosYa are some of the popular companies that use Groovy, whereas Hack is used by Facebook, Slack, and Wizters. Groovy has a broader approval, being mentioned in 79 company stacks & 73 developers stacks; compared to Hack, which is listed in 8 company stacks and 3 developer stacks.

- No public GitHub repository available -

What is Groovy?

Groovy builds upon the strengths of Java but has additional power features inspired by languages like Python, Ruby and Smalltalk. It makes modern programming features available to Java developers with almost-zero learning curve.

What is Hack?

Hack provides instantaneous type checking via a local server that watches the filesystem. It typically runs in less than 200 milliseconds, making it easy to integrate into your development workflow without introducing a noticeable delay.
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    What are some alternatives to Groovy and Hack?
    Java
    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!
    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.
    Kotlin
    Kotlin is a statically typed programming language for the JVM, Android and the browser, 100% interoperable with Java
    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.
    Gradle
    Gradle is a build tool with a focus on build automation and support for multi-language development. If you are building, testing, publishing, and deploying software on any platform, Gradle offers a flexible model that can support the entire development lifecycle from compiling and packaging code to publishing web sites.
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    Decisions about Groovy and Hack
    StackShare Editors
    StackShare Editors
    PHP
    PHP
    Hack
    Hack
    HHVM (HipHop Virtual Machine)
    HHVM (HipHop Virtual Machine)

    Throughout 2016, Slack began migrating from PHP5 to Hack. They cite several well-known challenges inherent to PHP, including surprise type conversions, inconsistency around reference semantics, inconsistencies in the standard library, and the fact that “PHP tries very, very hard to keep the request running, even if it has done something deeply strange.”

    To overcome these challenges while maintaining the unique values of PHP, Slack turned to Hack, a gradual typing system for PHP. Hack runs on the HipHop Virtual Machine, or HHVM, an open source just-in-time (JIT) environment for PHP.

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    StackShare Editors
    StackShare Editors
    Prometheus
    Prometheus
    Chef
    Chef
    Consul
    Consul
    Memcached
    Memcached
    Hack
    Hack
    Swift
    Swift
    Hadoop
    Hadoop
    Terraform
    Terraform
    Airflow
    Airflow
    Apache Spark
    Apache Spark
    Kubernetes
    Kubernetes
    gRPC
    gRPC
    HHVM (HipHop Virtual Machine)
    HHVM (HipHop Virtual Machine)
    Presto
    Presto
    Kotlin
    Kotlin
    Apache Thrift
    Apache Thrift

    Since the beginning, Cal Henderson has been the CTO of Slack. Earlier this year, he commented on a Quora question summarizing their current stack.

    Apps
    • Web: a mix of JavaScript/ES6 and React.
    • Desktop: And Electron to ship it as a desktop application.
    • Android: a mix of Java and Kotlin.
    • iOS: written in a mix of Objective C and Swift.
    Backend
    • The core application and the API written in PHP/Hack that runs on HHVM.
    • The data is stored in MySQL using Vitess.
    • Caching is done using Memcached and MCRouter.
    • The search service takes help from SolrCloud, with various Java services.
    • The messaging system uses WebSockets with many services in Java and Go.
    • Load balancing is done using HAproxy with Consul for configuration.
    • Most services talk to each other over gRPC,
    • Some Thrift and JSON-over-HTTP
    • Voice and video calling service was built in Elixir.
    Data warehouse
    • Built using open source tools including Presto, Spark, Airflow, Hadoop and Kafka.
    Etc
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    Alex A
    Alex A
    Founder at PRIZ Guru · | 3 upvotes · 125K views
    atPRIZ GuruPRIZ Guru
    Grails
    Grails
    Play
    Play
    Scala
    Scala
    Groovy
    Groovy
    Gradle
    Gradle

    Some may wonder why did we choose Grails ? Really good question :) We spent quite some time to evaluate what framework to go with and the battle was between Play Scala and Grails ( Groovy ). We have enough experience with both and, to be honest, I absolutely in love with Scala; however, the tipping point for us was the potential speed of development. Grails allows much faster development pace than Play , and as of right now this is the most important parameter. We might convert later though. Also, worth mentioning, by default Grails comes with Gradle as a build tool, so why change?

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    Interest over time
    Reviews of Groovy and Hack
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    How developers use Groovy and Hack
    Avatar of Valdomiro Bilharvas
    Valdomiro Bilharvas uses GroovyGroovy

    Used as language to describe and interpret as tools with jenkinsfile

    Avatar of Sodep
    Sodep uses GroovyGroovy

    NPL solutions and statistical machine learning.

    Avatar of Tongliang Liu
    Tongliang Liu uses GroovyGroovy

    As long as you don't abuse def and Closure

    How much does Groovy cost?
    How much does Hack cost?
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