zjffdu commented on a change in pull request #3440: [ZEPPELIN-4323] Kotlin support for Spark interpreter URL: https://github.com/apache/zeppelin/pull/3440#discussion_r322520956
########## File path: docs/interpreter/kotlin.md ########## @@ -0,0 +1,83 @@ +--- +layout: page +title: "Kotlin interpreter in Apache Zeppelin" +description: "Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference." +group: interpreter +--- +<!-- +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> + +{% include JB/setup %} + +# Kotlin interpreter for Apache Zeppelin + +<div id="toc"></div> + +## Overview +Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference. +It is designed to interoperate fully with Java, and the JVM version of its standard library depends on the Java Class Library, but type inference allows its syntax to be more concise. + +## Configuration +<table class="table-configuration"> + <tr> + <th>Name</th> + <th>Default</th> + <th>Description</th> + </tr> + <tr> + <td>zeppelin.kotlin.maxResult</td> + <td>1000</td> + <td>Max n + <tr> + <td>zeppelin.kotlin.shortenTypes</td> + <td>true</td> + <td>Display shortened types instead of full, e.g. Int vs kotlin.Int</td> + </tr> +</table> + +## Using the Kotlin Interpreter +In a paragraph, use %kotlin to select the Kotlin interpreter and then write your script. + +## Example + +```kotlin +%kotlin + +fun square(n: Int): Int = n * n +``` + +## Kotlin Context +Kotlin context is accessible via `kc` object bound to the interpreter. Review comment: And is `zc` also available in SparkInterpreter ? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
