Clean code.

src/main/org/insa/graph/Node.java

@@ -59,6 +59,7 @@ public class Node implements Comparable<Node> {
 
     /*
      * (non-Javadoc)
+     * 
      * @see java.lang.Object#equals(java.lang.Object)
      */
     @Override
@@ -71,6 +72,7 @@ public class Node implements Comparable<Node> {
 
     /*
      * (non-Javadoc)
+     * 
      * @see java.lang.Comparable#compareTo(java.lang.Object)
      */
     @Override

src/main/org/insa/graph/Point.java

@@ -4,7 +4,7 @@ package org.insa.graph;
  * Class representing a point on Earth.
  *
  */
-public class Point {
+public final class Point {
 
     // Earth radius, in meters;
     private static final double EARTH_RADIUS = 6378137.0;
@@ -65,6 +65,7 @@ public class Point {
 
     /*
      * (non-Javadoc)
+     * 
      * @see java.lang.Object#toString()
      */
     @Override

src/main/org/insa/graph/io/BinaryGraphReaderInsa2018.java

@@ -8,8 +8,8 @@ import java.util.EnumMap;
 import org.insa.graph.AccessRestrictions;
 import org.insa.graph.AccessRestrictions.AccessMode;
 import org.insa.graph.AccessRestrictions.AccessRestriction;
-import org.insa.graph.ArcForward;
 import org.insa.graph.ArcBackward;
+import org.insa.graph.ArcForward;
 import org.insa.graph.Graph;
 import org.insa.graph.GraphInformation;
 import org.insa.graph.Node;