use head -1

Author: eed3si9n

.travis.yml

@@ -35,7 +35,7 @@ before_install:
   - source "/home/travis/.sdkman/bin/sdkman-init.sh"
 
 install:
-  - sdk install java $(sdk list java | grep -o "$ADOPTOPENJDK\.[0-9\.]*hs-adpt" | tail -1)
+  - sdk install java $(sdk list java | grep -o "$ADOPTOPENJDK\.[0-9\.]*hs-adpt" | head -1)
   - unset _JAVA_OPTIONS
   - unset JAVA_HOME
   - java -Xmx32m -version