Fixato bug e implementato alcune funzioni.

graph/ComponentsBFS.java

@@ -2,7 +2,7 @@
 
 package graph;
 
-import java.security.InvalidKeyException;
+import exceptions.InvalidKeyException;
 
 public class ComponentsBFS<V, E> extends BFS<V, E, Object, Integer> {
     protected Integer compNumber;
@@ -13,16 +13,11 @@ public class ComponentsBFS<V, E> extends BFS<V, E, Object, Integer> {
     }
 
     protected void startVisit(Vertex<V> v) {
-        try {
             v.put(COMPONENT, compNumber);
-        }
-        catch (InvalidKeyException e){
-
-        }
     }
     
     protected Integer finalResult(Integer bfsResult) {
-        try {
+
             for(Vertex<V> v : graph.vertices())
                 if(!isVisited(v)) {
                 compNumber++;
@@ -30,10 +25,5 @@ public class ComponentsBFS<V, E> extends BFS<V, E, Object, Integer> {
                 }
 
             return compNumber;
-        }
-        catch (InvalidKeyException e){
-
-        }
-        return null;
     }
 }