Change version of Java build.

jenetics · jenetics · commit e83312d31090 · 2020-04-23T19:07:51.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,6 @@ sudo: false
 language: java
 jdk:
   - openjdk11
-  - openjdk13
+  - openjdk14
 
 script: "./gradlew check --info --stacktrace"
