list instead of set (for new transition)

src/main/java/ab1/impl/GRUPPE/NFAImpl.java

@@ -2,6 +2,7 @@ package ab1.impl.GRUPPE;
 
 import ab1.FinalizedStateException;
 import ab1.NFA;
+import ab1.NFAFactory;
 import ab1.Transition;
 import lombok.Getter;
 
@@ -240,7 +241,7 @@ public class NFAImpl implements NFA {
          */
 
         // all states of the DFA
-        Set<Set<String>> dfaStates = new HashSet<>();
+        List<Set<String>> dfaStates = new ArrayList<>();
         // all transitions of the DFA
         Set<Transition> dfaTransitions = new HashSet<>();
 
@@ -284,11 +285,16 @@ public class NFAImpl implements NFA {
                 if (!dfaStates.contains(newState)) {
                     queue.add(newState);
                     dfaStates.add(newState);
+                    // build new Transition
                 }
+                // build new Transition
+                dfaTransitions.add(new Transition(Integer.toString(dfaStates.indexOf(currentState)), letter, Integer.toString(dfaStates.indexOf(newState))));
+
                 // we gotta change this to only a string is given
                 //dfaTransitions.add(new Transition(currentState, letter, newState));
             }
         }
+
 /*
         for(Character letter : possibleLetters){
             Set<String> newState = new HashSet<>();
@@ -381,4 +387,19 @@ public class NFAImpl implements NFA {
         }
         return acceptingStates;
     }
+
+    public void test(){
+         final NFAFactory factory = new NFAFactoryImpl();
+            var instance = factory.buildNFA("START");
+            instance.addTransition(
+                    Transition.builder()
+                            .fromState("START")
+                            .readSymbol('a')
+                            .toState("ACCEPT")
+                            .build()
+            );
+            instance.addAcceptingState("ACCEPT");
+            instance.finalizeAutomaton();
+
+        }
 }