Building with JDK 8 and JDK 11 using source and target language level of 1.8

Author: chrisgleissner

.travis.yml

@@ -2,8 +2,9 @@ language: java
 install: true
 cache:
   directories:
-  - $HOME/.m2
+    - $HOME/.m2
 jdk:
-- openjdk11
+  - openjdk8
+  - openjdk11
 script:
-- mvn clean install -Pjacoco coveralls:report
+  - mvn clean install -Pjacoco coveralls:report

pom.xml

@@ -35,7 +35,7 @@
     </distributionManagement>
 
     <properties>
-        <java.version>11</java.version>
+        <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>