complement works now

.idea/workspace.xml

@@ -46,26 +46,26 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "WebServerToolWindowFactoryState": "false",
-    "full.screen.before.presentation.mode": "false",
-    "git-widget-placeholder": "5-top-skill-issue-raphael",
-    "ignore.virus.scanning.warn.message": "true",
-    "node.js.detected.package.eslint": "true",
-    "node.js.detected.package.tslint": "true",
-    "node.js.selected.package.eslint": "(autodetect)",
-    "node.js.selected.package.tslint": "(autodetect)",
-    "nodejs_package_manager_path": "npm",
-    "project.structure.last.edited": "Project",
-    "project.structure.proportion": "0.0",
-    "project.structure.side.proportion": "0.0",
-    "settings.editor.selected.configurable": "preferences.lookFeel",
-    "vue.rearranger.settings.migration": "true"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
+    &quot;full.screen.before.presentation.mode&quot;: &quot;false&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;5-top-skill-issue-raphael&quot;,
+    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;project.structure.last.edited&quot;: &quot;Project&quot;,
+    &quot;project.structure.proportion&quot;: &quot;0.0&quot;,
+    &quot;project.structure.side.proportion&quot;: &quot;0.0&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.lookFeel&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="RunManager" selected="JUnit.ab1 in ETI_Abgabe">
     <configuration name="ComplexTests.complement1Test" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="ETI_Abgabe" />

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

@@ -15,6 +15,7 @@ public class NFAImpl implements NFA {
 
     private Set<Character> alphabet;
 
+    private Set<Character> completeAlphabet;
     private boolean isFinalized;
 
     public NFAImpl(String startState) {
@@ -24,9 +25,9 @@ public class NFAImpl implements NFA {
         this.transitions = new HashSet<>();
         this.acceptingStates = new HashSet<>();
         this.alphabet = new HashSet<>();
-        Set<Character> completeAlphabet = new HashSet<>();
-        for (char ch = 'a'; ch <= 'z'; ch++) {
-            completeAlphabet.add(ch);
+        this.completeAlphabet = new HashSet<>();
+        for(int i='a';i<='z';i++){
+            completeAlphabet.add((char)i);
         }
         this.isFinalized = false;
 
@@ -344,6 +345,8 @@ public class NFAImpl implements NFA {
         nfa.addAllTransitions(this.transitions);
         nfa.addAllAcceptingStates(this.acceptingStates);
 
+        nfaAddTrap(nfa);
+
         NFAImpl fakeNFA = convertNFAtoDFA(nfa);
 
         // state -> accepting
@@ -533,4 +536,25 @@ public class NFAImpl implements NFA {
         return str;
     }
 
+    private void nfaAddTrap(NFAImpl input){
+        String trap = changeIfNecessary("TRAP", input.getStates());
+        input.states.add(trap);
+        Set<Transition> newTransitions = new HashSet<>();
+        for(String state : input.getStates()){
+            for(char letter : completeAlphabet){
+                boolean hasTransition = false;
+                for(Transition transition : input.getTransitions()){
+                    if(transition.fromState().equals(state)&&transition.readSymbol().equals(letter)){
+                        hasTransition = true;
+                        break;
+                    }
+                }
+                if(!hasTransition){
+                    newTransitions.add(new Transition(state, letter, trap));
+                }
+            }
+        }
+        input.addAllTransitions(newTransitions);    //input.transitions.addAll(newTransitions);
+    }
+
 }