Adding Java 7,8,9 builds

Wesley Hartford · Wesley Hartford · commit c93b6796892d · 2018-01-15T11:55:27.000-08:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -32,7 +32,7 @@ jobs:
 
   build-7:
     docker:
-    - image: openjdk:7-jdk
+    - image: openjdk:7u121-jdk
     working_directory: ~/repo
 
     environment:
