1 files changed, 7 insertions, 4 deletions

diff --git a/node-maintainer/src/main/java/com/yahoo/vespa/hosted/node/verification/commons/CommandExecutor.java b/node-maintainer/src/main/java/com/yahoo/vespa/hosted/node/verification/commons/CommandExecutor.java
index e1d0e46c173..eac0bc574c3 100644
--- a/node-maintainer/src/main/java/com/yahoo/vespa/hosted/node/verification/commons/CommandExecutor.java
+++ b/node-maintainer/src/main/java/com/yahoo/vespa/hosted/node/verification/commons/CommandExecutor.java
@@ -10,16 +10,19 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.StringReader;
 import java.util.ArrayList;
+import java.util.List;
 
 /**
- * Created by olaa on 03/07/2017.
  * Wrapper for executing terminal commands
+ *
+ * @author olaaun
+ * @author sgrostad
  */
 public class CommandExecutor {
 
-    public ArrayList<String> executeCommand(String command) throws IOException {
+    public List<String> executeCommand(String command) throws IOException {
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        ArrayList<String> results = new ArrayList<>();
+        List<String> results = new ArrayList<>();
         writeToOutputStream(outputStream, command);
         writeOutputStreamToResults(outputStream, results);
         return results;
@@ -35,7 +38,7 @@ public class CommandExecutor {
         executor.execute(cmdLine);
     }
 
-    private void writeOutputStreamToResults(ByteArrayOutputStream outputStream, ArrayList<String> results) throws IOException {
+    private void writeOutputStreamToResults(ByteArrayOutputStream outputStream, List<String> results) throws IOException {
         String out = outputStream.toString();
         BufferedReader br = new BufferedReader(new StringReader(out));
         String line;