Added a Graph datastructure and refactored the Line/Vertex classes

src/Graph/Vertex.java

@@ -0,0 +1,45 @@
+package Graph;
+
+public class Vertex {
+    private String vertexLabel;
+    private boolean isVisitedStatus = false;
+
+    /**
+     * Create a new vertex with a default label
+     */
+    public Vertex(){
+        this.vertexLabel = "Unassigned";
+    }
+
+    /**
+     * @param label create a new vertex with this label
+     */
+    public Vertex(String label){
+        this.vertexLabel = label;
+    }
+
+    /**
+     * @return the label of the vertex
+     */
+    public String getLabel(){
+        return vertexLabel;
+    }
+
+    public void setLabel(String newLabel){
+        vertexLabel = newLabel;
+    }
+
+    /**
+     * @return if the node has been visited or not
+     */
+    public boolean visitedStatus(){
+        return this.isVisitedStatus;
+    }
+
+    /**
+     * @param status set the visited status to true or false
+     */
+    public void setVisitedStatus(boolean status){
+        this.isVisitedStatus = status;
+    }
+}