Added graphing

src/com/imegumii/Graph.java

@@ -0,0 +1,33 @@
+package com.imegumii;
+
+/**
+ * Created by kenny on 18-5-2017.
+ */
+public class Graph {
+
+    public static String generateGraphString(Automata<String> a)
+    {
+        String text = "digraph finite_state_machine {\nrankdir=LR;\nsize=\"8,5\";\nnode [shape = doublecircle];";
+
+        for(String s : a.eindStates){
+            text += s + " ";
+        }
+
+        text += ";\nnode [shape = circle];\n";
+
+        for(Transition<String> t : a.transistions)
+        {
+            String s = "";
+            if(t.symbol == Transition.EPSILON)
+                s = "$";
+            else
+                s = t.symbol + "";
+
+            text += t.vanState + " -> " + t.naarState + " [ label = \"" + s + "\"];\n";
+        }
+
+        text += "}";
+
+        return text;
+    }
+}