Path refactoring net.berack is now the corect pakage, update java to 23

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "interactive"
+}

pom.xml

@@ -73,8 +73,8 @@
         </plugins>
     </build>
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>23</maven.compiler.source>
+        <maven.compiler.target>23</maven.compiler.target>
     </properties>
 
 </project>

src/main/java/berack96/lib/graph/ObjectsComparator.java

@@ -1,18 +0,0 @@
-package berack96.lib.graph;
-import java.util.Comparator;
-
-/**
- * Compare two arbitrary objects.<br>
- * It uses the method hashCode that every object has to compare two objects.<br>
- * This is a simple use 
- */
-public class ObjectsComparator implements Comparator<Object> {
-    static public final ObjectsComparator instance = new ObjectsComparator();
-    
-    private ObjectsComparator(){};
-
-    @Override
-    public int compare(Object o1, Object o2) {
-        return o1.hashCode() - o2.hashCode();
-    }
-}

src/main/java/net/berack/upo/Graph.java

@@ -1,13 +1,15 @@
-package berack96.lib.graph;
-
-import berack96.lib.graph.visit.VisitStrategy;
-import berack96.lib.graph.visit.impl.BFS;
-import berack96.lib.graph.visit.impl.Dijkstra;
-import berack96.lib.graph.visit.impl.VisitInfo;
+package net.berack.upo;
 
 import java.util.*;
 import java.util.function.Consumer;
 
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.Vertex;
+import net.berack.upo.graph.VisitStrategy;
+import net.berack.upo.graph.visit.BFS;
+import net.berack.upo.graph.visit.Dijkstra;
+import net.berack.upo.graph.visit.VisitInfo;
+
 /**
  * An abstract class for the graphs.<br>
  * This class is used for the graphs in general.<br>
@@ -24,6 +26,12 @@ public abstract class Graph<V> implements Iterable<V> {
     public final static String NOT_CONNECTED = "The source vertex doesn't have a path that reach the destination";
     public final static String PARAM_NULL = "The parameter must not be null";
     public final static String VERTEX_NOT_CONTAINED = "The vertex must be contained in the graph";
+    public final static Comparator<Object> OBJECT_COMPARATOR = new Comparator<Object>() {
+        @Override
+        public int compare(Object o1, Object o2) {
+            return o1.hashCode() - o2.hashCode();
+        }
+    };
 
     /**
      * Create the default map. All operations are O(log(n))<br>
@@ -34,7 +42,7 @@ public abstract class Graph<V> implements Iterable<V> {
      * @return A newly created TreeMap instance with ObjectsComparator as comparator
      */
     public final static <X, Y> Map<X, Y> getDefaultMap() {
-        return new TreeMap<X, Y>(ObjectsComparator.instance);
+        return new TreeMap<X, Y>(OBJECT_COMPARATOR);
     }
 
     /**
@@ -46,7 +54,7 @@ public abstract class Graph<V> implements Iterable<V> {
      * @return A newly created TreeSet instance with ObjectsComparator as comparator
      */
     public final static <X> Set<X> getDefaultSet() {
-        return new TreeSet<X>(ObjectsComparator.instance);
+        return new TreeSet<X>(OBJECT_COMPARATOR);
     }
 
     //------------------- INSTANCE -----------------
@@ -359,7 +367,7 @@ public abstract class Graph<V> implements Iterable<V> {
      */
     public final Set<Object> marks() {
         Set<Object> ret = getDefaultSet();
-        markers.forEach((v, set) -> ret.addAll(set));
+        markers.forEach((_, set) -> ret.addAll(set));
         return ret;
     }
 
@@ -376,7 +384,7 @@ public abstract class Graph<V> implements Iterable<V> {
     public final void mark(V vertex, Object mark) throws NullPointerException, IllegalArgumentException {
         check(mark);
         checkVert(vertex);
-        Set<Object> marks = markers.computeIfAbsent(vertex, v -> getDefaultSet());
+        Set<Object> marks = markers.computeIfAbsent(vertex, _ -> getDefaultSet());
         marks.add(mark);
     }
 
@@ -391,7 +399,7 @@ public abstract class Graph<V> implements Iterable<V> {
     public final void unMark(V vertex, Object mark) throws NullPointerException, IllegalArgumentException {
         check(mark);
         checkVert(vertex);
-        markers.computeIfPresent(vertex, (v, set) -> {
+        markers.computeIfPresent(vertex, (_, set) -> {
             set.remove(mark);
             if (set.size() > 0)
                 return set;

src/main/java/net/berack/upo/GraphDirected.java

@@ -1,12 +1,13 @@
-package berack96.lib.graph;
-
-import berack96.lib.graph.visit.VisitSCC;
-import berack96.lib.graph.visit.VisitTopological;
-import berack96.lib.graph.visit.impl.Tarjan;
+package net.berack.upo;
 
 import java.util.List;
 import java.util.Set;
 
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.VisitSCC;
+import net.berack.upo.graph.VisitTopological;
+import net.berack.upo.graph.visit.Tarjan;
+
 /**
  * This is a more specific interface for an implementation of a Undirected Graph.<br>
  * An Undirected Graph is a Graph where an arc or edge can be traversed in both ways.<br>

src/main/java/net/berack/upo/GraphUndirected.java

@@ -1,10 +1,11 @@
-package berack96.lib.graph;
-
-import berack96.lib.graph.visit.VisitMST;
-import berack96.lib.graph.visit.impl.Prim;
+package net.berack.upo;
 
 import java.util.Set;
 
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.VisitMST;
+import net.berack.upo.graph.visit.Prim;
+
 /**
  * This is a more specific interface for an implementation of a Directed Graph.<br>
  * A Directed Graph is a Graph where an arc or edge can be traversed in only one way.<br>

src/main/java/net/berack/upo/graph/Edge.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph;
+package net.berack.upo.graph;
 
 import java.util.Collection;
 import java.util.List;

src/main/java/net/berack/upo/graph/ListGraph.java

@@ -1,11 +1,11 @@
-package berack96.lib.graph.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphDirected;
+package net.berack.upo.graph;
 
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphDirected;
+
 /**
  * An implementation of the graph using an adjacent list for representing the edges
  *
@@ -46,7 +46,7 @@ public class ListGraph<V> extends GraphDirected<V> {
 	public void remove(V vertex) {
 		checkVert(vertex);
 		adj.remove(vertex);
-		adj.forEach((v, list) -> list.remove(getAdj(list, vertex)));
+		adj.forEach((_, list) -> list.remove(getAdj(list, vertex)));
 	}
 
 	@Override
@@ -129,12 +129,12 @@ public class ListGraph<V> extends GraphDirected<V> {
 	public void removeAllEdge(V vertex) throws NullPointerException, IllegalArgumentException {
 		checkVert(vertex);
 		adj.get(vertex).clear();
-		adj.forEach((v, list) -> list.remove(getAdj(list, vertex)));
+		adj.forEach((_, list) -> list.remove(getAdj(list, vertex)));
 	}
 
 	@Override
 	public void removeAllEdge() {
-		adj.forEach((v, list) -> list.clear());
+		adj.forEach((_, list) -> list.clear());
 	}
 
 	@Override

src/main/java/net/berack/upo/graph/MapGraph.java

@@ -1,11 +1,11 @@
-package berack96.lib.graph.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphDirected;
+package net.berack.upo.graph;
 
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphDirected;
+
 /**
  * Graph that uses TreeMap for vertices and edges<br>
  * More specifically it utilizes a Map containing all the vertices mapped to all their edges<br>
@@ -40,8 +40,8 @@ public class MapGraph<V> extends GraphDirected<V> {
 	@Override
 	public void add(V vertex) {
 		check(vertex);
-		edges.computeIfAbsent(vertex, v -> new TreeMap<>());
-		edges.forEach((v, adj) -> adj.remove(vertex));
+		edges.computeIfAbsent(vertex, _ -> new TreeMap<>());
+		edges.forEach((_, adj) -> adj.remove(vertex));
 		edges.get(vertex).clear();
 	}
 
@@ -55,7 +55,7 @@ public class MapGraph<V> extends GraphDirected<V> {
 	public void remove(V vertex) {
 		checkVert(vertex);
 		edges.remove(vertex);
-		edges.forEach((v, map) -> map.remove(vertex));
+		edges.forEach((_, map) -> map.remove(vertex));
 	}
 
 	@Override
@@ -109,7 +109,7 @@ public class MapGraph<V> extends GraphDirected<V> {
     @Override
     public int numberOfEdges() {
         AtomicInteger sum = new AtomicInteger(0);
-        edges.forEach((v, map) -> sum.getAndAdd(map.size()));
+        edges.forEach((_, map) -> sum.getAndAdd(map.size()));
 
         return sum.get();
     }

src/main/java/net/berack/upo/graph/MatrixGraph.java

@@ -1,10 +1,10 @@
-package berack96.lib.graph.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphDirected;
+package net.berack.upo.graph;
 
 import java.util.*;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphDirected;
+
 /**
  * An implementation of the graph using a matrix for representing the edges
  *
@@ -59,7 +59,7 @@ public class MatrixGraph<V> extends GraphDirected<V> {
 			}
 
 		matrix = newMatrix;
-		map.replaceAll((vert, index) -> index > x ? index - 1 : index);
+		map.replaceAll((_, index) -> index > x ? index - 1 : index);
 	}
 
 	@Override
@@ -165,7 +165,7 @@ public class MatrixGraph<V> extends GraphDirected<V> {
 		check(vertices);
 		for (V vert : vertices)
 			if (vert != null)
-				map.compute(vert, (v, i) -> {
+				map.compute(vert, (_, i) -> {
 					if (i == null)
 						return map.size();
 					removeAllEdge(vert);

src/main/java/net/berack/upo/graph/MatrixUndGraph.java

@@ -1,11 +1,10 @@
-package berack96.lib.graph.impl;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphUndirected;
+package net.berack.upo.graph;
 
 import java.util.*;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphUndirected;
+
 public class MatrixUndGraph<V> extends GraphUndirected<V> {
 
     Map<V, Integer> map = getDefaultMap();
@@ -48,7 +47,7 @@ public class MatrixUndGraph<V> extends GraphUndirected<V> {
                 newMatrix[i][j] = matrix[i + 1][j + (j < x ? 0 : 1)];
 
         matrix = newMatrix;
-        map.replaceAll((vert, index) -> index > x ? index - 1 : index);
+        map.replaceAll((_, index) -> index > x ? index - 1 : index);
     }
 
     @Override

src/main/java/net/berack/upo/graph/Vertex.java

@@ -1,13 +1,13 @@
-package berack96.lib.graph;
-
-import berack96.lib.graph.visit.VisitStrategy;
-import berack96.lib.graph.visit.impl.VisitInfo;
+package net.berack.upo.graph;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Objects;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.visit.VisitInfo;
+
 /**
  * Class used for represent a vertex of the graph.<br>
  * The vertex contained is linked with the graph, so if any changes are made to

src/main/java/net/berack/upo/graph/VisitDistSourceDest.java

@@ -1,10 +1,9 @@
-package berack96.lib.graph.visit;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
+package net.berack.upo.graph;
 
 import java.util.List;
 
+import net.berack.upo.Graph;
+
 /**
  * Interface that is helpful for implements visit that needs to retrieve the distance between a vertex to all the others
  *

src/main/java/net/berack/upo/graph/VisitDistance.java

@@ -1,6 +1,4 @@
-package berack96.lib.graph.visit;
-
-import berack96.lib.graph.Edge;
+package net.berack.upo.graph;
 
 import java.util.List;
 import java.util.Map;

src/main/java/net/berack/upo/graph/VisitMST.java

@@ -1,6 +1,4 @@
-package berack96.lib.graph.visit;
-
-import berack96.lib.graph.Edge;
+package net.berack.upo.graph;
 
 import java.util.Set;
 

src/main/java/net/berack/upo/graph/VisitSCC.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.visit;
+package net.berack.upo.graph;
 
 import java.util.Set;
 

src/main/java/net/berack/upo/graph/VisitStrategy.java

@@ -1,11 +1,11 @@
-package berack96.lib.graph.visit;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphDirected;
-import berack96.lib.graph.visit.impl.VisitInfo;
+package net.berack.upo.graph;
 
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphDirected;
+import net.berack.upo.graph.visit.VisitInfo;
+
 /**
  * This class is used for define some strategy for the visit of a graph.
  *

src/main/java/net/berack/upo/graph/VisitTopological.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.visit;
+package net.berack.upo.graph;
 
 import java.util.List;
 

src/main/java/net/berack/upo/graph/savemodels/EdgeSaveStructure.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.models;
+package net.berack.upo.graph.savemodels;
 
 /**
  * Support class used for saving a Graph in a file.

src/main/java/net/berack/upo/graph/savemodels/GraphSaveStructure.java

@@ -1,13 +1,14 @@
-package berack96.lib.graph.models;
+package net.berack.upo.graph.savemodels;
 
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.InstanceCreator;
 import com.google.gson.JsonSyntaxException;
 import com.google.gson.stream.JsonReader;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.Edge;
+
 import java.io.*;
 
 /**
@@ -33,7 +34,7 @@ public class GraphSaveStructure<V> {
 	 */
 	public final void load(Graph<V> graph, String fileName, Class<V> classV) throws FileNotFoundException, NullPointerException {
 		//this way i use this class for the load
-		InstanceCreator<GraphSaveStructure<V>> creator = type -> this;
+		InstanceCreator<GraphSaveStructure<V>> creator = _ -> this;
 		Gson gson = new GsonBuilder().registerTypeAdapter(this.getClass(), creator).create();
 		JsonReader reader = new JsonReader(new FileReader(fileName));
 		gson.fromJson(reader, GraphSaveStructure.class);

src/main/java/net/berack/upo/graph/savemodels/MarkSaveStructure.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.models;
+package net.berack.upo.graph.savemodels;
 
 /**
  * Support class used for saving a Graph in a file.

src/main/java/net/berack/upo/graph/view/GraphInfo.java

@@ -1,12 +1,13 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.view.edge.EdgeListener;
-import berack96.lib.graph.view.vertex.VertexListener;
-import berack96.lib.graph.visit.VisitStrategy;
+package net.berack.upo.graph.view;
 
 import javax.swing.*;
 import javax.swing.border.BevelBorder;
+
+import net.berack.upo.Graph;
+import net.berack.upo.graph.VisitStrategy;
+import net.berack.upo.graph.view.edge.EdgeListener;
+import net.berack.upo.graph.view.vertex.VertexListener;
+
 import java.awt.*;
 import java.awt.event.ItemEvent;
 import java.io.IOException;
@@ -91,7 +92,7 @@ public class GraphInfo<V> extends JPanel {
         JLabel vEdgesOutNumber = new JLabel();
 
         JButton modVertex = new JButton("Modify Vertices");
-        modVertex.addActionListener(a -> {
+        modVertex.addActionListener(_ -> {
             comboBox.setSelectedIndex(0);
     		listenerDescription.setText(vListener.getDescription());
             graphPanel.setGraphListener(vListener);
@@ -101,7 +102,7 @@ public class GraphInfo<V> extends JPanel {
         });
         
         JButton modEdge = new JButton("Modify Edges");
-        modEdge.addActionListener(a -> {
+        modEdge.addActionListener(_ -> {
             comboBox.setSelectedIndex(0);
     		listenerDescription.setText(eListener.getDescription());
             graphPanel.setGraphListener(eListener);
@@ -138,7 +139,7 @@ public class GraphInfo<V> extends JPanel {
         /* SAVE/LOAD */
         JTextField fileText = new JTextField();
         JButton saveB = new JButton("Save");
-        saveB.addActionListener(a -> {
+        saveB.addActionListener(_ -> {
         	try {
 				graphPanel.save(fileText.getText());
 				textResult.setText("");
@@ -147,7 +148,7 @@ public class GraphInfo<V> extends JPanel {
 			}
         });
         JButton loadB = new JButton("Load");
-        loadB.addActionListener(a -> {
+        loadB.addActionListener(_ -> {
         	try {
 				graphPanel.load(fileText.getText());
 				textResult.setText("");
@@ -180,7 +181,7 @@ public class GraphInfo<V> extends JPanel {
 
         modVertex.doClick();
 
-        graphPanel.addObserver((o, arg) -> {
+        graphPanel.addObserver((_, arg) -> {
             Graph<V> graph = graphPanel.getGraph();
             if(arg.equals(graph)) {
                 vNumber.setText(String.valueOf(graph.size()));

src/main/java/net/berack/upo/graph/view/GraphListener.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.view;
+package net.berack.upo.graph.view;
 
 import java.awt.event.KeyListener;
 import java.awt.event.MouseListener;

src/main/java/net/berack/upo/graph/view/GraphPanel.java

@@ -1,10 +1,4 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.Vertex;
-import berack96.lib.graph.impl.MapGraph;
-import berack96.lib.graph.view.edge.EdgeComponent;
-import berack96.lib.graph.view.vertex.VertexComponent;
+package net.berack.upo.graph.view;
 
 import java.awt.*;
 import java.awt.event.KeyListener;
@@ -17,6 +11,12 @@ import java.util.HashSet;
 import java.util.Observer;
 import java.util.Set;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.MapGraph;
+import net.berack.upo.graph.Vertex;
+import net.berack.upo.graph.view.edge.EdgeComponent;
+import net.berack.upo.graph.view.vertex.VertexComponent;
+
 @SuppressWarnings({"unchecked", "deprecation"})
 public class GraphPanel<V> extends Component {
 

src/main/java/net/berack/upo/graph/view/GraphPointsSave.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.models.GraphSaveStructure;
+package net.berack.upo.graph.view;
 
 import java.awt.*;
 import java.util.LinkedList;
 import java.util.List;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.savemodels.GraphSaveStructure;
+
 public class GraphPointsSave<V> extends GraphSaveStructure<V> {
 
     final private GraphPanel<V> panel;

src/main/java/net/berack/upo/graph/view/GraphWindow.java

@@ -1,14 +1,15 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.view.edge.EdgeListener;
-import berack96.lib.graph.view.vertex.VertexListener;
-import berack96.lib.graph.visit.VisitStrategy;
-import berack96.lib.graph.visit.impl.BFS;
-import berack96.lib.graph.visit.impl.DFS;
-import berack96.lib.graph.visit.impl.Dijkstra;
-import berack96.lib.graph.visit.impl.Tarjan;
+package net.berack.upo.graph.view;
 
 import javax.swing.*;
+
+import net.berack.upo.graph.VisitStrategy;
+import net.berack.upo.graph.view.edge.EdgeListener;
+import net.berack.upo.graph.view.vertex.VertexListener;
+import net.berack.upo.graph.visit.BFS;
+import net.berack.upo.graph.visit.DFS;
+import net.berack.upo.graph.visit.Dijkstra;
+import net.berack.upo.graph.visit.Tarjan;
+
 import java.awt.*;
 import java.io.Serial;
 import java.util.LinkedHashSet;

src/main/java/net/berack/upo/graph/view/GraphicalView.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.view;
+package net.berack.upo.graph.view;
 
 import java.awt.*;
 

src/main/java/net/berack/upo/graph/view/Main.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.view.edge.EdgeIntListener;
-import berack96.lib.graph.view.edge.EdgeView;
-import berack96.lib.graph.view.vertex.VertexIntListener;
-import berack96.lib.graph.view.vertex.VertexView;
+package net.berack.upo.graph.view;
 
 import java.awt.*;
 
+import net.berack.upo.graph.view.edge.EdgeIntListener;
+import net.berack.upo.graph.view.edge.EdgeView;
+import net.berack.upo.graph.view.vertex.VertexIntListener;
+import net.berack.upo.graph.view.vertex.VertexView;
+
 public class Main {
 
         public static void main(String[] args) {

src/main/java/net/berack/upo/graph/view/VisitListener.java

@@ -1,11 +1,12 @@
-package berack96.lib.graph.view;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.view.vertex.VertexComponent;
-import berack96.lib.graph.visit.VisitStrategy;
-import berack96.lib.graph.visit.impl.VisitInfo;
+package net.berack.upo.graph.view;
 
 import javax.swing.*;
+
+import net.berack.upo.Graph;
+import net.berack.upo.graph.VisitStrategy;
+import net.berack.upo.graph.view.vertex.VertexComponent;
+import net.berack.upo.graph.visit.VisitInfo;
+
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 import java.util.HashSet;
@@ -59,7 +60,7 @@ public class VisitListener<V> implements GraphListener {
 
                 info.forEach(v -> {
                     final boolean visited = v.timeVisited == count.get();
-                    Timer timer = new Timer(count.getAndIncrement() * refreshTime, e1 -> {
+                    Timer timer = new Timer(count.getAndIncrement() * refreshTime, _ -> {
                         if (visited && v.parent !=null)
                         	graph.mark(v.vertex, v.parent);
                         graph.mark(v.vertex, visited ? "visited" : "discovered");

src/main/java/net/berack/upo/graph/view/edge/EdgeComponent.java

@@ -1,11 +1,11 @@
-package berack96.lib.graph.view.edge;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.view.vertex.VertexComponent;
+package net.berack.upo.graph.view.edge;
 
 import java.awt.*;
 import java.io.Serial;
 
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.view.vertex.VertexComponent;
+
 public class EdgeComponent<V> extends Component {
     @Serial
     private static final long serialVersionUID = 1L;

src/main/java/net/berack/upo/graph/view/edge/EdgeIntListener.java

@@ -1,7 +1,7 @@
-package berack96.lib.graph.view.edge;
+package net.berack.upo.graph.view.edge;
 
-import berack96.lib.graph.Vertex;
-import berack96.lib.graph.view.GraphPanel;
+import net.berack.upo.graph.Vertex;
+import net.berack.upo.graph.view.GraphPanel;
 
 public class EdgeIntListener<V> extends EdgeListener<V> {
 

src/main/java/net/berack/upo/graph/view/edge/EdgeListener.java

@@ -1,14 +1,14 @@
-package berack96.lib.graph.view.edge;
-
-import berack96.lib.graph.Vertex;
-import berack96.lib.graph.view.GraphListener;
-import berack96.lib.graph.view.GraphPanel;
-import berack96.lib.graph.view.vertex.VertexComponent;
+package net.berack.upo.graph.view.edge;
 
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 import java.util.concurrent.atomic.AtomicReference;
 
+import net.berack.upo.graph.Vertex;
+import net.berack.upo.graph.view.GraphListener;
+import net.berack.upo.graph.view.GraphPanel;
+import net.berack.upo.graph.view.vertex.VertexComponent;
+
 public abstract class EdgeListener<V> implements GraphListener {
 
     private final GraphPanel<V> graphPanel;

src/main/java/net/berack/upo/graph/view/edge/EdgeView.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.view.edge;
-
-import berack96.lib.graph.view.GraphicalView;
-import berack96.lib.graph.view.stuff.Arrow;
+package net.berack.upo.graph.view.edge;
 
 import java.awt.*;
 import java.awt.geom.Point2D;
 import java.util.Collection;
 
+import net.berack.upo.graph.view.GraphicalView;
+import net.berack.upo.graph.view.polygons.Arrow;
+
 public class EdgeView<V> implements GraphicalView<EdgeComponent<V>> {
 
     private static final Font FONT = new Font("Papyrus", Font.BOLD, 14);

src/main/java/net/berack/upo/graph/view/polygons/Arrow.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.view.stuff;
+package net.berack.upo.graph.view.polygons;
 
 import java.awt.*;
 import java.io.Serial;

src/main/java/net/berack/upo/graph/view/vertex/VertexComponent.java

@@ -1,10 +1,10 @@
-package berack96.lib.graph.view.vertex;
-
-import berack96.lib.graph.Vertex;
+package net.berack.upo.graph.view.vertex;
 
 import java.awt.*;
 import java.io.Serial;
 
+import net.berack.upo.graph.Vertex;
+
 public class VertexComponent<V> extends Component {
     @Serial
     private static final long serialVersionUID = 1L;

src/main/java/net/berack/upo/graph/view/vertex/VertexIntListener.java

@@ -1,10 +1,10 @@
-package berack96.lib.graph.view.vertex;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.view.GraphPanel;
+package net.berack.upo.graph.view.vertex;
 
 import java.util.Arrays;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.view.GraphPanel;
+
 public class VertexIntListener extends VertexListener<Integer> {
 
     public VertexIntListener(GraphPanel<Integer> panel) {

src/main/java/net/berack/upo/graph/view/vertex/VertexListener.java

@@ -1,13 +1,13 @@
-package berack96.lib.graph.view.vertex;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.view.GraphListener;
-import berack96.lib.graph.view.GraphPanel;
+package net.berack.upo.graph.view.vertex;
 
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 import java.util.concurrent.atomic.AtomicReference;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.view.GraphListener;
+import net.berack.upo.graph.view.GraphPanel;
+
 public abstract class VertexListener<V> implements GraphListener {
 
     protected final GraphPanel<V> panel;

src/main/java/net/berack/upo/graph/view/vertex/VertexView.java

@@ -1,9 +1,9 @@
-package berack96.lib.graph.view.vertex;
-
-import berack96.lib.graph.view.GraphicalView;
+package net.berack.upo.graph.view.vertex;
 
 import java.awt.*;
 
+import net.berack.upo.graph.view.GraphicalView;
+
 public class VertexView<V> implements GraphicalView<VertexComponent<V>> {
 
     private static final Font FONT = new Font("Comic Sans MS", Font.BOLD, 17);

src/main/java/net/berack/upo/graph/visit/BFS.java

@@ -1,11 +1,11 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.visit.VisitStrategy;
+package net.berack.upo.graph.visit;
 
 import java.util.LinkedList;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.VisitStrategy;
+
 /**
  * Breadth-first search<br>
  * The algorithm starts at the root node and explores all of the neighbor nodes at the present depth prior to moving on to the nodes at the next depth level.

src/main/java/net/berack/upo/graph/visit/DFS.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.visit.VisitStrategy;
+package net.berack.upo.graph.visit;
 
 import java.util.Iterator;
 import java.util.Stack;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.VisitStrategy;
+
 /**
  * Depth-first search<br>
  * The algorithm starts at the root node and explores as far as possible along each branch before backtracking.

src/main/java/net/berack/upo/graph/visit/Dijkstra.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.visit.VisitDistance;
+package net.berack.upo.graph.visit;
 
 import java.util.*;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.VisitDistance;
+
 /**
  * Class that implements the Dijkstra algorithm and uses it for getting all the distance from a source
  *

src/main/java/net/berack/upo/graph/visit/Kruskal.java

@@ -1,15 +1,15 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphUndirected;
-import berack96.lib.graph.struct.QuickFind;
-import berack96.lib.graph.struct.UnionFind;
-import berack96.lib.graph.visit.VisitMST;
+package net.berack.upo.graph.visit;
 
 import java.util.*;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphUndirected;
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.VisitMST;
+import net.berack.upo.graph.visit.struct.QuickFind;
+import net.berack.upo.graph.visit.struct.UnionFind;
+
 /**
  * Class that implement the algorithm discovered by Kruskal for the minimum spanning forest
  * for a given {@link GraphUndirected}

src/main/java/net/berack/upo/graph/visit/Prim.java

@@ -1,13 +1,13 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Edge;
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.GraphUndirected;
-import berack96.lib.graph.visit.VisitMST;
+package net.berack.upo.graph.visit;
 
 import java.util.Set;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.GraphUndirected;
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.VisitMST;
+
 /**
  * Class that implement the algorithm discovered by Prim for the minimum spanning forest
  * for a given {@link GraphUndirected}

src/main/java/net/berack/upo/graph/visit/Tarjan.java

@@ -1,12 +1,12 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.Graph;
-import berack96.lib.graph.visit.VisitSCC;
-import berack96.lib.graph.visit.VisitTopological;
+package net.berack.upo.graph.visit;
 
 import java.util.*;
 import java.util.function.Consumer;
 
+import net.berack.upo.Graph;
+import net.berack.upo.graph.VisitSCC;
+import net.berack.upo.graph.VisitTopological;
+
 /**
  * Class that implements the Tarjan algorithm and uses it for getting the SCC and the topological sort
  *

src/main/java/net/berack/upo/graph/visit/VisitInfo.java

@@ -1,10 +1,10 @@
-package berack96.lib.graph.visit.impl;
-
-import berack96.lib.graph.visit.VisitStrategy;
+package net.berack.upo.graph.visit;
 
 import java.util.*;
 import java.util.function.Consumer;
 
+import net.berack.upo.graph.VisitStrategy;
+
 /**
  * The class used for getting the info of the visit.<br>
  * It could be used with the algorithm of the visit for set some useful data.
@@ -167,7 +167,7 @@ public class VisitInfo<V> implements Iterable<VisitInfo<V>.VertexInfo> {
      * @param vertex the vertex that has been discovered
      */
     synchronized void setDiscovered(V vertex) {
-		VertexInfo info = vertices.computeIfAbsent(vertex, (v) -> new VertexInfo(vertex));
+		VertexInfo info = vertices.computeIfAbsent(vertex, _ -> new VertexInfo(vertex));
     	if(info.timeDiscovered != NOT_SET)
         	return;
         
@@ -231,7 +231,7 @@ public class VisitInfo<V> implements Iterable<VisitInfo<V>.VertexInfo> {
      */
     public void forEachDiscovered(Consumer<? super VertexInfo> consumer) {
         Queue<VertexInfo> queue = new PriorityQueue<>();
-        vertices.forEach((v, info) -> {
+        vertices.forEach((_, info) -> {
             if (info.timeDiscovered != NOT_SET)
                 queue.offer(new VertexInfo(info, false));
         });
@@ -248,7 +248,7 @@ public class VisitInfo<V> implements Iterable<VisitInfo<V>.VertexInfo> {
      */
     public void forEachVisited(Consumer<? super VertexInfo> consumer) {
         Queue<VertexInfo> queue = new PriorityQueue<>();
-        vertices.forEach((v, info) -> {
+        vertices.forEach((_, info) -> {
             if (info.timeVisited != NOT_SET)
                 queue.offer(new VertexInfo(info, true));
         });
@@ -260,7 +260,7 @@ public class VisitInfo<V> implements Iterable<VisitInfo<V>.VertexInfo> {
     @Override
     public Iterator<VertexInfo> iterator() {
         List<VertexInfo> list = new ArrayList<>(vertices.size() * 2);
-        vertices.forEach((v, info) -> {
+        vertices.forEach((_, info) -> {
             if (info.timeDiscovered != NOT_SET)
                 list.add(new VertexInfo(info, false));
             if (info.timeVisited != NOT_SET)

src/main/java/net/berack/upo/graph/visit/struct/QuickFind.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.struct;
+package net.berack.upo.graph.visit.struct;
 
 import java.util.Collection;
 import java.util.Map;
@@ -6,7 +6,7 @@ import java.util.Set;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
 
-import berack96.lib.graph.Graph;
+import net.berack.upo.Graph;
 
 /**
  * Simple implementation of the {@link UnionFind} interface with priority to the find function.

src/main/java/net/berack/upo/graph/visit/struct/UnionFind.java

@@ -1,4 +1,4 @@
-package berack96.lib.graph.struct;
+package net.berack.upo.graph.visit.struct;
 
 import java.util.Collection;
 

src/test/java/net/berack/upo/graph/test/TestGraph.java

@@ -1,17 +1,23 @@
-package berack96.test.lib;
+package net.berack.upo.graph.test;
 
-import berack96.lib.graph.*;
-import berack96.lib.graph.impl.ListGraph;
-import berack96.lib.graph.impl.MapGraph;
-import berack96.lib.graph.impl.MatrixGraph;
-import berack96.lib.graph.impl.MatrixUndGraph;
-import berack96.lib.graph.models.GraphSaveStructure;
-import berack96.lib.graph.struct.QuickFind;
-import berack96.lib.graph.struct.UnionFind;
-import berack96.lib.graph.visit.impl.BFS;
-import berack96.lib.graph.visit.impl.DFS;
-import berack96.lib.graph.visit.impl.VisitInfo;
 import com.google.gson.JsonSyntaxException;
+
+import net.berack.upo.Graph;
+import net.berack.upo.GraphDirected;
+import net.berack.upo.GraphUndirected;
+import net.berack.upo.graph.Edge;
+import net.berack.upo.graph.ListGraph;
+import net.berack.upo.graph.MapGraph;
+import net.berack.upo.graph.MatrixGraph;
+import net.berack.upo.graph.MatrixUndGraph;
+import net.berack.upo.graph.Vertex;
+import net.berack.upo.graph.savemodels.GraphSaveStructure;
+import net.berack.upo.graph.visit.BFS;
+import net.berack.upo.graph.visit.DFS;
+import net.berack.upo.graph.visit.VisitInfo;
+import net.berack.upo.graph.visit.struct.QuickFind;
+import net.berack.upo.graph.visit.struct.UnionFind;
+
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;