Specifying dependencies: Java vs Ruby vs Node

Gemfile

source "https://rubygems.org"

gem "rspec", "~> 3.1"
gem "rspec-rails", "~> 3.1"

package.json

{
  ...
  "devDependencies": {
    "qunit-extras": "^1.3.0",
    "qunitjs": "^1.16.0"
  }
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
    xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> 
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.11</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.easytesting</groupId>
        <artifactId>fest-assert</artifactId>
        <version>1.4</version>
      </dependency>
    </dependencies>
  </dependencyManagement>
</project>