diff --git a/APED/app/src/main/java/com/example/aped/MainActivity.java b/APED/app/src/main/java/com/example/aped/MainActivity.java
index 30badad..9a48de5 100644
--- a/APED/app/src/main/java/com/example/aped/MainActivity.java
+++ b/APED/app/src/main/java/com/example/aped/MainActivity.java
@@ -24,8 +24,9 @@ public class MainActivity extends AppCompatActivity {
     private AppBarConfiguration mAppBarConfiguration;
     /** zur Verwendung von xml anstatt der direkten Einbindung.*/
     private IXML xml;
+    /** allgemeines.*/
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
+    protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         Toolbar toolbar = findViewById(R.id.toolbar);
@@ -47,14 +48,13 @@ public class MainActivity extends AppCompatActivity {
 
         xml = new TestXML();
     }
-
+    /** Fügt Elemente zur Aktionsleiste hinzu, wenn diese vorhanden ist.*/
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
+    public boolean onCreateOptionsMenu(final Menu menu) {
         getMenuInflater().inflate(R.menu.main, menu);
         return true;
     }
-
+    /**Navigation einrichten.*/
     @Override
     public boolean onSupportNavigateUp() {
         NavController navController = Navigation.findNavController(this,
@@ -62,9 +62,9 @@ public class MainActivity extends AppCompatActivity {
         return NavigationUI.navigateUp(navController, mAppBarConfiguration)
                 || super.onSupportNavigateUp();
     }
-    /**was sollbeit click auf den jeweiligen itembutton passieren.*/
+    /**was soll bei click auf den jeweiligen itembutton passieren.*/
     @Override
-    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+    public boolean onOptionsItemSelected(final @NonNull MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_settings:
                 Toast.makeText(this, "Settings",
diff --git a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
index 27d0f0d..51d9a7e 100644
--- a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
+++ b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
@@ -15,11 +15,11 @@ import androidx.lifecycle.ViewModelProvider;
 import com.example.aped.R;
 
 public class AllIOsFragment extends Fragment {
-
+    /**Azeige Modell.*/
     private AllIOsViewModel allIOsViewModel;
-
-    public View onCreateView(@NonNull LayoutInflater inflater,
-                             ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(final @NonNull LayoutInflater inflater,
+                             final ViewGroup container,
+                             final Bundle savedInstanceState) {
         allIOsViewModel =
                 new ViewModelProvider(this).get(AllIOsViewModel.class);
         View root = inflater.inflate(R.layout.fragment_all_ios, container,
@@ -28,7 +28,7 @@ public class AllIOsFragment extends Fragment {
         allIOsViewModel.getText().observe(getViewLifecycleOwner(),
                                             new Observer<String>() {
             @Override
-            public void onChanged(@Nullable String s) {
+            public void onChanged(final @Nullable String s) {
                 textView.setText(s);
             }
         });
diff --git a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsViewModel.java b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsViewModel.java
index e94a00c..1606146 100644
--- a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsViewModel.java
+++ b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsViewModel.java
@@ -7,7 +7,7 @@ import androidx.lifecycle.ViewModel;
 public class AllIOsViewModel extends ViewModel {
     /** .*/
     private MutableLiveData<String> mText;
-    /** Text Ausgabe.*/
+    /** Text Ablage.*/
     public AllIOsViewModel() {
         mText = new MutableLiveData<>();
         mText.setValue("Anzeige aller Mess & Sollwertvorgaben bestimmt durch"
diff --git a/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsFragment.java b/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsFragment.java
index 530e8f4..21c80d5 100644
--- a/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsFragment.java
+++ b/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsFragment.java
@@ -15,11 +15,11 @@ import androidx.lifecycle.ViewModelProvider;
 import com.example.aped.R;
 
 public class YourIOsFragment extends Fragment {
-
+    /**Azeige Modell.*/
     private YourIOsViewModel yourIOsViewModel;
-
-    public View onCreateView(@NonNull LayoutInflater inflater,
-                             ViewGroup container, Bundle savedInstanceState) {
+        public View onCreateView(final @NonNull LayoutInflater inflater,
+                             final ViewGroup container,
+                                 final Bundle savedInstanceState) {
         yourIOsViewModel =
                 new ViewModelProvider(this).get(YourIOsViewModel.class);
         View root = inflater.inflate(R.layout.fragment_your_ios, container,
@@ -28,7 +28,7 @@ public class YourIOsFragment extends Fragment {
         yourIOsViewModel.getText().observe(getViewLifecycleOwner(),
                                                 new Observer<String>() {
             @Override
-            public void onChanged(@Nullable String s) {
+            public void onChanged(final @Nullable String s) {
                 textView.setText(s);
             }
         });
diff --git a/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsViewModel.java b/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsViewModel.java
index e2837dc..55a8d7f 100644
--- a/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsViewModel.java
+++ b/APED/app/src/main/java/com/example/aped/ui/your_IOs/YourIOsViewModel.java
@@ -7,7 +7,7 @@ import androidx.lifecycle.ViewModel;
 public class YourIOsViewModel extends ViewModel {
     /** .*/
     private MutableLiveData<String> mText;
-    /** Text Ausgabe.*/
+    /** Text Ablage.*/
     public YourIOsViewModel() {
         mText = new MutableLiveData<>();
         mText.setValue("Personalisierte Anzeige der Mess- & Sollwerte");