what is groovy based on

What is groovy?

Groovy is an object-oriented programming language managed by Apache Software Foundation. It is a java environment compatible and used as a scripting language. It supports functional programming, Metaprogramming and efficient processing of XML and JSON data that are implemented through JVM. Groovy is syntactically similar with Java syntax.

What is the difference between Groovy and Java?

Groovy is a superset of Java which means Java program will run in Groovy environment but vice-versa may or may not be possible. Whereas Java is strongly and statically typed programming language. 1. Default Imports:

Is groovy an object-oriented language?

Although Groovy is mostly an object-oriented language, it also offers functional programming features. According to Groovy's documentation: "Closures in Groovy work similar to a 'method pointer', enabling code to be written and run in a later point in time".

What is list in Groovy programming language?

In a Groovy programming language, the List holds a sequence of object references. It also shows a position in the sequence. A List literal is presented as a series of objects separated by commas and enclosed in square brackets. Example of Grrovy list:

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Is Groovy based on Java?

Groovy is based on the power of the Java code, but beyond that, Groovy combines the strengths of other languages. Python, Ruby, and Smalltalk, also influenced Groovy and some of its features – range data type checking, map and list literal notation, and more.

What type of programming language is Groovy?

Groovy is a dynamic object-oriented programming language for the Java virtual machine (JVM) that can be used anywhere Java is used. The language can be used to combine Java modules, extend existing Java applications and write new applications.

Is Groovy like Python?

Groovy is an object-oriented, static and dynamic language whose feature is similar to Python. It was first released in January 2007. Python has the support for various type of programming paradigm and provides the developer with enormous standardized libraries.

What is the purpose of Groovy?

Groovy allows developers to introduce this typing within Java. Concise, brief, direct syntax: this allows developers that use Groovy to develop projects faster and easier. Relatively short learning curve: this is a relatively simple language like Python or Ruby. It is easy for developers to learn.

Is Groovy and Java same?

Groovy can be used as both programming and scripting Language. Groovy is a superset of Java which means Java program will run in Groovy environment but vice-versa may or may not be possible. Whereas Java is strongly and statically typed programming language.

What is Groovy framework?

Groovy-Based Apache Groovy is a language for the Java platform designed to enhance developers' productivity. It is an optionally-typed and dynamic language but with static-typing and static compilation capabilities.

Is Groovy functional language?

Groovy is functional Java 8, although it is getting close to it with closures, is not fully a functional language.

Why does Jenkins use Groovy?

Groovy is a very powerful language which offers the ability to do practically anything Java can do including: Create sub-processes and execute arbitrary commands on the Jenkins controller and agents. It can even read files in which the Jenkins controller has access to on the host (like /etc/passwd )

Is it worth learning Groovy?

Groovy programming language is much easier to learn and much of the code that you write using it will compile and work as expected. The learning curve for Groovy is small. It is not difficult for someone who is proficient in Java to get started with Groovy. The build tool is rapidly gaining popularity.

Is Groovy like Javascript?

Groovy makes it easier for the javascript developer as it uses fewer lines of code which results in the same output as the javascript code. There is little difference found in groovy wrt to javascript some of them are as follows i.e function is replaced by def in groovy, {} are replaced by [] .

Who invented Groovy?

Groovy 1.0 was released on January 2, 2007, and Groovy 2.0 in July, 2012....Apache Groovy.Groovy LogoParadigmObject-oriented, imperative, scriptingDesigned byJames StrachanDeveloperGuillaume Laforge (PMC Chair) Jochen Theodorou (Tech Lead) Paul King Cedric ChampeauMajor implementations15 more rows

Why was Groovy created?

Laforge: Initially, Groovy was created as a companion to Java, rather than as a replacement. The idea was to be able to simplify certain aspects of the Java language to make Java developers more productive.

Groovy Tutorial

Groovy is an object oriented language which is based on Java platform. Groovy 1.0 was released in January 2, 2007 with Groovy 2.4 as the current major release. Groovy is distributed via the Apache License v 2.0. In this tutorial, we would explain all the fundamentals of Groovy and how to put it into practice.

Audience

This tutorial is going to be extremely useful for all those software professionals who would like to learn the basics of Groovy programming.

Prerequisites

Before proceeding with this tutorial, you should have some hands-on experience of Java or any other object-oriented programming language. No Groovy experience is assumed.

What is groovy code?

Grooscript converts Groovy code to JavaScript code. Although Grooscript has some limitations compared to Apache Groovy, it can use domain classes in both the server and the client. Plugin support for Grails version 3.0 is provided, as well as online code conversions.

What is Apache Groovy?

Java, Python, Ruby, Smalltalk. Influenced. Kotlin. Apache Groovy is a Java -syntax-compatible object-oriented programming language for the Java platform. It is both a static and dynamic language with features similar to those of Python, Ruby, and Smalltalk.

How to access changed code in Groovy?

The changed code can only be accessed from Java by going to the metaclass registry. Groovy also allows overriding methods as getProperty (), propertyMissing () among others, enabling the developer to intercept calls to an object and specify an action for them, in a simplified aspect-oriented way.

What programming language does Survata use?

Survata, a market research startup, uses Groovy and Grails. The European Patent Office (EPO) developed a dataflow programming language in Groovy "to leverage similarities in the processes for communicating with each individual country’s patent office, and transform them into a single, universal process.".

When did SpringSource acquire Groovy?

In November 2008, SpringSource acquired the Groovy and Grails company (G2One). In August 2009 VMware acquired SpringSource. In April 2012, after eight years of inactivity, the Spec Lead changed the status of JSR 241 to dormant. Strachan had left the project silently a year before the Groovy 1.0 release in 2007.

What is AST transformation in Groovy?

The purpose of AST Transformations is to let developers hook into the compilation process to be able to modify the AST before it is turned into bytecode that will be run by the JVM. AST Transformations provides Groovy with improved compile-time metaprogramming capabilities allowing powerful flexibility at the language level, without a runtime performance penalty."

When did pivotal stop sponsoring Groovy?

Pivotal ceased sponsoring Groovy and Grails from April 2015. That same month, Groovy changed its governance structure from a Codehaus repository to a Project Management Committee (PMC) in the Apache Software Foundation via its incubator.

A multi-faceted language for the Java platform

Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at improving developer productivity thanks to a concise, familiar and easy to learn syntax.

Smooth Java integration

Seamlessly and transparently integrates and interoperates with Java and any third-party libraries

Vibrant and rich ecosystem

Web development, reactive applications, concurrency / asynchronous / parallelism library, test frameworks, build tools, code analysis, GUI building

Powerful features

Closures, builders, runtime & compile-time meta-programming, functional programming, type inference, and static compilation

Domain-Specific Languages

Flexible & malleable syntax, advanced integration & customization mechanisms, to integrate readable business rules in your applications

What is Groovy in GitHub?

Groovy is a tool in the Languages category of a tech stack. Groovy is an open source tool with 1.5K GitHub stars and 429 GitHub forks. Here’s a link to Groovy 's open source repository on GitHub.

What tools are compatible with Groovy?

Java, Grails, Vert.x, Micronaut Framework, and Swagger Codegen are some of the popular tools that integrate with Groovy. Here's a list of all 14 tools that integrate with Groovy.

What Does Groovy Mean?

Groovy is a programming language with more compact syntax than Java and designed for dynamically compiled runtime data execution on Java Virtual Machine (JVM).

Techopedia Explains Groovy

Groovy development is expedited via graphical Integrated Development Environments (IDE), includingNetBeans, Eclipse, IntelliJ IDEA and JDeveloper.> The following features reduce Groovy developer coding time:

What is groovy script?

What is a Groovy Script? Apache Groovy is an object oriented and Java syntax compatible programming language built for the Java platform. This dynamic language has many features which are similar to Python, Ruby, Smalltalk, and Pero.

What is a list in groovy?

List structure allows you to store a collection of data Items. In a Groovy programming language, the List holds a sequence of object references. It also shows a position in the sequence. A List literal is presented as a series of objects separated by commas and enclosed in square brackets.

Is Groovy Java or Java?

Groovy is an agile and dynamic language. Seamlessly integration with all existing Java objects and libraries. Feels easy and natural to Java developers. More concise and meaningful code compares to Java. You can use it as much or as little as you like with Java apps.

Does Groovy have a semicolon?

Groovy it's not required to end with a semicolon. In Java, every statement ends with a semico lon. Groovy is automatically a wrapping class called Script for every program. In Java, you need the main method to make a class executable.

Can Groovy run on Java?

Groovy source code gets compiled into Java Bytecode so it can run on any platform that has JRE is installed. Groovy also performs a lot of tasks behind the scene that makes it more agile and dynamic. Groovy language can be used as a scripting language for the Java platform.

What is the difference between Java and Groovy?

Difference between Groovy and Java. Groovy is powerful, optionally typed and dynamic language to develop an application on Java Platform where its syntax is Java -like. Its typing discipline is strong, static and dynamic. The best things about Groovy are that since it extends JDK, it accepts Java code. Groovy can be used as both programming and ...

Does Groovy have autoboxing?

In Groovy everything is object and uses only object hence no concept of autoboxing or unboxing. Java has a requirement of the main method inside a class to run the program. Groovy does not require any main method or entry point of a method to run the class or any program. Attention reader!

Is Groovy a Java language?

Groovy can be used as both programming and scripting Language. Groovy is a superset of Java which means Java program will run in Groovy environment but vice- versa may or may not be possible. Whereas Java is strongly and statically typed programming language. Where in Java only java.lang.* package imported by default.

Is Groovy a package?

In Java only Java .lang.* package is imported by default. In Groovy commonly used packages are imported by default. Java has primitive data types and wrapper classes to perform boxing and unboxing implicitly or explicitly. In Groovy everything is object and uses only object hence no concept of autoboxing or unboxing.

Does Groovy have a wrapping class?

In Groovy you don’t need that. Since Groovy is a Scripting language, there’s automatically a wrapping class called Script for every program. Groovy automatically evaluate the expression as boolean. If you want to create String Array in Java then you have to use curly braces “ {}”.

Bonuses

Ruby on Rails started the framework hype, so now we have Laravel for Php, Play for Scala and Java, Django for Python… Grails is the Groovy version of web development framework. I admit that i still have no experience with it but I’m very curious.

Conclusions

Since I see a lot of good points and a very limited list of disadvantages, why Groovy has not shined like a star? Like… Scala, for example. It is seen as a simple tool, like the very first versions of javascript, but I have done many complex things that cross the boundaries of one programming language.

Overview

Adoption

Notable examples of Groovy adoption include:
• Adaptavist ScriptRunner, embeds a Groovy implementation to automate and extend Atlassian tools, in use by more than 20000 organisations around the world.
• Apache OFBiz, the open-source enterprise resource planning (ERP) system, uses Groovy.

History

Features

IDE support

Dialects

See also

External links