Implement first feature.

src/main/java/GraphData.java

@@ -1,5 +1,60 @@
+import org.jgrapht.*;
+import org.jgrapht.graph.*;
+import org.jgrapht.nio.dot.DOTExporter;
+import org.jgrapht.nio.dot.DOTImporter;
+import org.jgrapht.traverse.*;
+import org.jgrapht.io.*;
+
+import java.io.*;
+import java.io.File;
+import java.net.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.*;
+
 public class GraphData {
-    public static void main(String[] args) {
-        System.out.println("Hello")
+    private Graph<String, DefaultEdge> graphObject = new DefaultDirectedGraph<>(DefaultEdge.class);
+
+    public void parseGraph(String filepath) throws IOException {
+
+        // Import the graph from file
+        DOTImporter<String, DefaultEdge> dotImporter = new DOTImporter<>();
+        dotImporter.setVertexFactory(label -> label);
+        String fileContent = Files.readString(Paths.get(filepath));
+        dotImporter.importGraph(graphObject, new StringReader(fileContent));
+        System.out.println("Graph successfully parsed!");
+    }
+
+    @Override
+    public String toString() {
+        String opt = "";
+        opt+="Number of nodes: "+graphObject.vertexSet().size()+"\n";
+        opt+="Node labels: "+graphObject.vertexSet()+"\n";
+        opt+="Number of edges: "+graphObject.edgeSet().size()+"\n";
+        StringBuilder edges = new StringBuilder();
+        for (DefaultEdge e: graphObject.edgeSet()) {
+            edges.append(e.toString().replace(":", "->"));
+            edges.append(", ");
+        }
+        edges.deleteCharAt(edges.length() - 1);
+        edges.deleteCharAt(edges.length() - 1);
+        opt+="Node and edge directions: "+edges+"\n";
+        return opt;
+    }
+
+    public void outputGraph(String filepath) throws IOException {
+        String opt = toString();
+        Files.writeString(Paths.get(filepath), opt, StandardCharsets.ISO_8859_1);
+    }
+    public static void main(String[] args) throws IOException {
+        GraphData graphApi = new GraphData();
+        graphApi.parseGraph("src/main/example.dot");
+        System.out.println(graphApi.toString());
+        graphApi.outputGraph("src/main/output.txt");
+
+
+
+
     }
 }