refactore(path): rename variables

be-graphes-model/src/main/java/org/insa/graphs/model/Path.java

@@ -211,11 +211,11 @@ public class Path {
      * @return Total length of the path (in meters).
      */
     public float getLength() {
-        float retour = 0 ;
+        float somme = 0 ;
         for (Arc arc : arcs) {
-            retour += arc.getLength();
+            somme += arc.getLength();
         }
-        return retour;
+        return somme;
     }
 
     /**
@@ -227,11 +227,11 @@ public class Path {
      *         kilometers-per-hour).
      */
     public double getTravelTime(double speed) {
-        double retour = 0 ;
+        double somme = 0 ;
         for (Arc arc : arcs) {
-            retour += arc.getTravelTime(speed);
+            somme += arc.getTravelTime(speed);
         }
-        return retour;
+        return somme;
     }
 
     /**