diff --git a/src/ch/zhaw/catan/Bank.java b/src/ch/zhaw/catan/Bank.java
index 39e7319..f82f19b 100644
--- a/src/ch/zhaw/catan/Bank.java
+++ b/src/ch/zhaw/catan/Bank.java
@@ -1,11 +1,10 @@
 package ch.zhaw.catan;
 
 import java.util.HashMap;
-import java.util.List;
 
 
 public class Bank {
-    private HashMap<Config.Resource, Integer> resources = new HashMap<>();
+    private final HashMap<Config.Resource, Integer> resources = new HashMap<>();
 
     public Bank(){
         resources.putAll(Config.INITIAL_RESOURCE_CARDS_BANK);
diff --git a/src/ch/zhaw/catan/City.java b/src/ch/zhaw/catan/City.java
index a976267..5e68330 100644
--- a/src/ch/zhaw/catan/City.java
+++ b/src/ch/zhaw/catan/City.java
@@ -1,6 +1,6 @@
 package ch.zhaw.catan;
 
-import java.awt.*;
+import java.awt.Point;
 
 public class City extends Settlement {
 
diff --git a/src/ch/zhaw/catan/Command.java b/src/ch/zhaw/catan/Command.java
index 7e7b24e..9a96ed3 100644
--- a/src/ch/zhaw/catan/Command.java
+++ b/src/ch/zhaw/catan/Command.java
@@ -1,12 +1,11 @@
 package ch.zhaw.catan;
 
-import org.beryx.textio.TextIO;
-
+//TODO:JavaDoc
 public enum Command {
     NEXTPLAYER ("next player"), BUILDSETTLEMENT ("build settlement"), BUILDCITY("build city"),
     BUILDROAD("build road"), TRADEWITHBANK("trade with bank"),QUIT("quit");
 
-    private String commandWord;
+    private final String commandWord;
 
 
 
diff --git a/src/ch/zhaw/catan/Dummy.java b/src/ch/zhaw/catan/Dummy.java
deleted file mode 100644
index bf94f5f..0000000
--- a/src/ch/zhaw/catan/Dummy.java
+++ /dev/null
@@ -1,58 +0,0 @@
-package ch.zhaw.catan;
-
-import ch.zhaw.catan.Config.Land;
-import ch.zhaw.hexboard.Label;
-import java.awt.Point;
-import java.util.HashMap;
-import java.util.Map;
-import org.beryx.textio.TextIO;
-import org.beryx.textio.TextIoFactory;
-import org.beryx.textio.TextTerminal;
-
-public class Dummy {
-
-  public enum Actions {
-    SHOW, QUIT
-  }
-
-  private void run() {
-    TextIO textIO = TextIoFactory.getTextIO();
-    TextTerminal<?> textTerminal = textIO.getTextTerminal();
-    SiedlerBoard board = new SiedlerBoard();
-    board.addField(new Point(2, 2), Land.FOREST);
-    board.setCorner(new Point(3, 3), new Settlement(Config.Faction.RED,new Point(3, 3)));
-    board.setEdge(new Point(2, 0), new Point(3, 1), new Road(Config.Faction.BLUE,new Point(2, 0),new Point(2, 0)));
-    board.addFieldAnnotation(new Point(2, 2), new Point(3, 1), "AA");
-
-    Map<Point, Label> lowerFieldLabel = new HashMap<>();
-    lowerFieldLabel.put(new Point(2, 2), new Label('0', '9'));
-    SiedlerBoardTextView view = new SiedlerBoardTextView(board);
-
-    for (Map.Entry<Point, Label> e : lowerFieldLabel.entrySet()) {
-      view.setLowerFieldLabel(e.getKey(), e.getValue());
-    }
-
-    boolean running = true;
-    while (running) {
-      switch (getEnumValue(textIO, Actions.class)) {
-        case SHOW:
-          textTerminal.println(view.toString());
-          break;
-        case QUIT:
-          running = false;
-          break;
-        default:
-          throw new IllegalStateException("Internal error found - Command not implemented.");
-      }
-    }
-    textIO.dispose();
-  }
-
-  public static <T extends Enum<T>> T getEnumValue(TextIO textIO, Class<T> commands) {
-    return textIO.newEnumInputReader(commands).read("What would you like to do?");
-  }
-
-  public static void main(String[] args) {
-    new Dummy().run();
-  }
-}
diff --git a/src/ch/zhaw/catan/Parser.java b/src/ch/zhaw/catan/Parser.java
index 2f1bc69..b572dd2 100644
--- a/src/ch/zhaw/catan/Parser.java
+++ b/src/ch/zhaw/catan/Parser.java
@@ -76,7 +76,7 @@ public class Parser {
      */
     public HashMap<String, Integer> gameStart() {
         HashMap<String, Integer> gameStartValues = new HashMap<>();
-        gameStartValues.put("NumberOfPlayers", textIO.newIntInputReader().withMinVal(2).withMaxVal(4).read("Number of players:"));
+        gameStartValues.put("NumberOfPlayers", textIO.newIntInputReader().withMinVal(Config.MIN_NUMBER_OF_PLAYERS).withMaxVal(4).read("Number of players:"));
         gameStartValues.put("NumberOfWinPoints", textIO.newIntInputReader().withMinVal(5).withMaxVal(15).read("Winpoints needed for Victory:"));
         return gameStartValues;
     }
diff --git a/src/ch/zhaw/catan/Player.java b/src/ch/zhaw/catan/Player.java
index fc378a0..5b3b5cf 100644
--- a/src/ch/zhaw/catan/Player.java
+++ b/src/ch/zhaw/catan/Player.java
@@ -1,6 +1,7 @@
 package ch.zhaw.catan;
 
-import java.util.*;
+import java.util.HashMap;
+import java.util.List;
 
 /**
  * New Class PLayer
diff --git a/src/ch/zhaw/catan/Road.java b/src/ch/zhaw/catan/Road.java
index 1bc37a5..e43a6a7 100644
--- a/src/ch/zhaw/catan/Road.java
+++ b/src/ch/zhaw/catan/Road.java
@@ -1,10 +1,10 @@
 package ch.zhaw.catan;
 
-import java.awt.*;
+import java.awt.Point;
 
 public class Road extends Structure {
 
-    private Point start,end;
+    private final Point start,end;
 
 
     public Road(Config.Faction faction,Point start,Point end) {