java/idea-ui/src/com/intellij/platform/templates/IC_template_groups.xml

<template-groups xmlns="http://www.jetbrains.com/projectTemplates">
  <group>
    <name>Java Samples</name>
    <path>Java</path>
    <template>
      <name>Java Hello World</name>
      <description><![CDATA[ Simple Java "Hello World" application. ]]></description>
      <path>HelloWorld.zip</path>
    </template>
  </group>
</template-groups>