@Override
                public String toString() {
                        StringBuffer sb = new StringBuffer();
-                       for (Node link : links) sb.append(link.id);
+                       for (Node link : links)
+                               sb.append(link.id);
                        return "Node [id=" + id + ", links=" + sb.toString() + ", visited=" + visited + ", onStack=" + onStack + "]";
                }
 
        }
 
        private boolean findCycle(Node currentNode) {
-               if (currentNode==null) return false;
-               if (currentNode.isOnStack()) return true;
-               if (currentNode.isVisited()) return false;
+               if (currentNode==null)
+                       return false;
+               if (currentNode.isOnStack())
+                       return true;
+               if (currentNode.isVisited())
+                       return false;
                currentNode.setOnStack(true);
                currentNode.setVisited(true);
                for (Node childNode : currentNode.getLinks()) {
-                       if (findCycle(childNode)) return true;
+                       if (findCycle(childNode))
+                               return true;
                }
                currentNode.setOnStack(false);
                return false;
 
                 clusteringKey=clusteringKey.replaceAll("[\\(]+","");
                 clusteringKey=clusteringKey.replaceAll("[\\)]+","");
                 clusteringKey = clusteringKey.trim();
-                if (clusteringKey.indexOf(',') == 0) clusteringKey=clusteringKey.substring(1);
+                if (clusteringKey.indexOf(',') == 0)
+                                       clusteringKey=clusteringKey.substring(1);
                 clusteringKey = clusteringKey.trim();
-                if (clusteringKey.equals(",") ) clusteringKey=""; // print error if needed    ( ... ),)
+                if (clusteringKey.equals(",") )
+                                       clusteringKey=""; // print error if needed    ( ... ),)
             }
         }