add build test for java 15

cafe24-jspark03 · cafe24-jspark03 · commit 9f38c48b53e0 · 2020-11-10T09:06:07.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,10 +7,12 @@ jdk:
   - oraclejdk12
   - oraclejdk13
   - oraclejdk14
+  - oraclejdk15
   - openjdk11
   - openjdk12
   - openjdk13
   - openjdk14
+  - openjdk15
 
 install: skip
 
