Update contributing guide to use JDK 1.11+

jmrunkle · web-flow · commit 9e7fd2a43be5 · 2020-04-24T07:26:45.000-07:00
Fixes exercism#1828.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -41,7 +41,7 @@ First things first: by contributing to Exercism, you are making this learning to
 
 To submit a fix for an existing exercise or port an exercise to Java with the least amount of setup:
 
-1. **Ensure you have the basic Java tooling installed:**  JDK 1.8+, an editor and Gradle 2.x.
+1. **Ensure you have the basic Java tooling installed:**  JDK 1.11+, an editor and Gradle 2.x.
 
    (see [exercism.io: Installing Java](http://exercism.io/languages/java/installation))
 -  **Setup a branch on a fork of [exercism/java](https://github.com/exercism/java) on your computer.**
