Groovy

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.

Install Groovy

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  • Install in Mac
$ brew install groovy

如下

Updating Homebrew...
==> Using the sandbox
==> Downloading https://dl.bintray.com/groovy/maven/apache-groovy-binary-2.4.8.zip
######################################################################## 100.0%
==> Caveats
You should set GROOVY_HOME:
  export GROOVY_HOME=/usr/local/opt/groovy/libexec
==> Summary
🍺  /usr/local/Cellar/groovy/2.4.8: 64 files, 27.6M, built in 5 minutes 54 seconds
  • Test version
$ groovy -verson

Groovy Version: 2.4.8 JVM: 1.8.0_91 Vendor: Oracle Corporation OS: Mac OS X

Quick Start

  • Create new Project

选择 groovy sdk 如下：

可以使用 cmd+shift+g 输入 /usr/local/opt/groovy/libexec 直接打开SDK的文件。如下：

groovy sdk

  • Hello World

注意：

  1. groovy 不用以分号结尾。所以换行会导致代码解析不同。
package com.ryo.groovy.learn.hello

/**
 * Created by houbinbin on 17/3/1.
 */
class HelloWorld {

    static void main(args){
        println "Hello World!"
    }

}

run result

Hello World!

Process finished with exit code 0