Update file .gitlab-ci.yml

.gitlab-ci.yml

@@ -30,6 +30,7 @@ build:       # This job runs in the build stage, which runs first.
     - echo "Compiling the code..."
     - java --version
     - chmod +x ./gradlew
+    - javac --version
     - ./gradlew build -Pprofile=prod --refresh-dependencies
     - ls
     - echo "Compile complete."