BAEL-3086 - Clean up

apache-spark/src/main/java/com/baeldung/graphframes/GraphExperiments.java

@@ -42,7 +42,7 @@ public class GraphExperiments {
 
     private void doGraphFrameAlgorithms(GraphFrame graph) {
 
-        graph.pageRank().maxIter(20).resetProbability(0.0001).run().vertices().show();
+        graph.pageRank().maxIter(20).resetProbability(0.15).run().vertices().show();
 
         graph.connectedComponents().run().show();
 

apache-spark/src/main/java/com/baeldung/graphframes/GraphLoader.java

@@ -27,7 +27,7 @@ public class GraphLoader {
         Path temp = Files.createTempDirectory("sparkGraphFrames");
         SparkSession session = SparkSession.builder()
             .appName("SparkGraphFrameSample")
-            .config("spark.sql.warehouse.dir", temp.toString())//"/file:C:/temp"
+            .config("spark.sql.warehouse.dir", temp.toString())
             .sparkContext(getSparkContext().sc())
             .master("local[*]")
             .getOrCreate();

apache-spark/src/main/java/com/baeldung/graphframes/User.java

@@ -22,6 +22,6 @@ public class User implements Serializable {
     
     @Override
     public String toString() {
-    	return "struct<" + id + "," + name + ">";
+        return "<" + id + "," + name + ">";
     }
 }