I tried

src/com/imegumii/Main.java

@@ -1,7 +1,6 @@
 package com.imegumii;
 
 import com.imegumii.codevandocent.*;
-import com.sun.source.util.Trees;
 
 import java.util.TreeSet;
 
@@ -12,22 +11,25 @@ public class Main {
         stringsToParse.add("abbaa");
         stringsToParse.add("babaa");
         stringsToParse.add("abbaaabaab");
+        stringsToParse.add("ababababababaab");
 
         Character [] characters = {'a', 'b'};
-        Automata<String> myAutomata = new Automata<String>(characters);
+        DFA<String> myAutomata = new DFA<String>(characters);
         myAutomata.addTransition(new Transition<String>("q0", 'a', "q1"));
 
         myAutomata.addTransition(new Transition<String>("q1", 'b', "q2"));
 
-        myAutomata.addTransition(new Transition<String>("q2", 'b', "q0"));
+        myAutomata.addTransition(new Transition<String>("q2", 'b', "q3"));
+
+        myAutomata.addTransition(new Transition<String>("q3", "q0"));
 
         myAutomata.defineAsStartState("q0");
-        myAutomata.defineAsEndState("q2");
+        myAutomata.defineAsEndState("q3");
 
         myAutomata.printTransitions();
 
         stringsToParse.forEach((s) -> {
-            boolean result = myAutomata.accept(s);
+            boolean result = myAutomata.accepteer(s);
             System.out.println("string " + s + " fully parsed, result: " + result);
         });
     }