Ref: add new static analyser rule: category/java/bestpractices.xml/LiteralsFirstInComparisons

src/main/java/com/sheepit/client/os/Linux.java

@@ -119,7 +119,7 @@ public class Linux extends OS {
 			if ((userLevel = reader.readLine()) != null) {
 				// Root user in *ix systems -independently of the alias used to login- has a id value of 0. On top of being a user with root capabilities,
 				// to support changing the priority the nice tool must be accessible from the current user
-				return (userLevel.equals("0")) & isNiceAvailable();
+				return ("0".equals(userLevel)) & isNiceAvailable();
 			}
 		}
 		catch (IOException e) {