test build with openjdk11

Til7701 · Til7701 · commit ee2d6ddfd5d6 · 2025-04-26T15:56:38.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: java
 jdk:
-  - openjdk9
+  - openjdk11
 
 cache:
   directories:
