[travis] Add jdk 16 and drop 13/14

hazendaz · hazendaz · commit 17a249ffe551 · 2020-09-20T20:31:14.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,8 @@
 language: java
 
 jdk:
+  - openjdk16
   - openjdk15
-  - openjdk14
-  - openjdk13
   - openjdk11
   - openjdk8
 
