diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/BuyPropertyRequest.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/BuyPropertyRequest.java
index 4085311..12a6bc9 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/BuyPropertyRequest.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/BuyPropertyRequest.java
@@ -26,7 +26,6 @@ public class BuyPropertyRequest extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/EndTurn.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/EndTurn.java
index a996818..dae8120 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/EndTurn.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/EndTurn.java
@@ -6,8 +6,7 @@ public class EndTurn extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 
 }
\ No newline at end of file
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/PlayerReady.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/PlayerReady.java
index 067c104..1d4a417 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/PlayerReady.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/PlayerReady.java
@@ -26,7 +26,6 @@ public class PlayerReady extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/RollDice.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/RollDice.java
index 141adb5..9fb0b93 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/RollDice.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/RollDice.java
@@ -6,8 +6,7 @@ public class RollDice extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 
 }
\ No newline at end of file
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeOffer.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeOffer.java
index d3369d1..b614365 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeOffer.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeOffer.java
@@ -26,8 +26,7 @@ public class TradeOffer extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeResponse.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeResponse.java
index 9d3395c..d317c6f 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeResponse.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeResponse.java
@@ -27,7 +27,6 @@ public class TradeResponse extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ViewAssetsRequest.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ViewAssetsRequest.java
index a6eecde..f78d778 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ViewAssetsRequest.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ViewAssetsRequest.java
@@ -6,8 +6,7 @@ public class ViewAssetsRequest extends ClientMessage{
 
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this, from);
     }
 
 }
\ No newline at end of file
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/DiceResult.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/DiceResult.java
index 1a00cb1..53a137e 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/DiceResult.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/DiceResult.java
@@ -16,8 +16,7 @@ public class DiceResult extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
@@ -26,4 +25,8 @@ public class DiceResult extends ServerMessage{
         throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
     }
 
+    public boolean isDoublets() {
+        return rollResult.get(0) == rollResult.get(1);
+    }
+
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/EventDrawCard.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/EventDrawCard.java
index 90ef339..7ed4938 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/EventDrawCard.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/EventDrawCard.java
@@ -4,8 +4,7 @@ public class EventDrawCard extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameOver.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameOver.java
index 486fa88..9b2cff3 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameOver.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameOver.java
@@ -4,8 +4,7 @@ public class GameOver extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameStart.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameStart.java
index 0855fef..bf39031 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameStart.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameStart.java
@@ -4,8 +4,7 @@ public class GameStart extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/JailEvent.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/JailEvent.java
index 8c04ead..a802398 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/JailEvent.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/JailEvent.java
@@ -4,8 +4,7 @@ public class JailEvent extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/PlayerStatusUpdate.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/PlayerStatusUpdate.java
index 692a25d..8b51066 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/PlayerStatusUpdate.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/PlayerStatusUpdate.java
@@ -4,8 +4,7 @@ public class PlayerStatusUpdate extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ServerInterpreter.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ServerInterpreter.java
index 770db4f..3480d20 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ServerInterpreter.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ServerInterpreter.java
@@ -82,4 +82,18 @@ public interface ServerInterpreter {
      * @param msg the ViewAssetsResponse message received
      */
     void received(ViewAssetsResponse msg);
+
+    /**
+     * Handles a TradeReply message received from the server.
+     *
+     * @param msg the TradeReply message received
+     */
+    void received(TradeReply msg);
+            
+    /**
+     * Handles a TradeRequest message received from the server.
+     *
+     * @param msg the TradeRequest message received
+     */
+    void received(TradeRequest msg);
 }
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TimeOutWarning.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TimeOutWarning.java
index 65e80c9..f9510a7 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TimeOutWarning.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TimeOutWarning.java
@@ -4,8 +4,7 @@ public class TimeOutWarning extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeReply.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeReply.java
index 5924542..6535906 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeReply.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeReply.java
@@ -27,8 +27,7 @@ public class TradeReply extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeRequest.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeRequest.java
index 323ad25..5320953 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeRequest.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeRequest.java
@@ -27,8 +27,7 @@ public class TradeRequest extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/UpdatePlayerAssets.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/UpdatePlayerAssets.java
index 782f695..e37c78c 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/UpdatePlayerAssets.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/UpdatePlayerAssets.java
@@ -4,8 +4,7 @@ public class UpdatePlayerAssets extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override
diff --git a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ViewAssetsResponse.java b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ViewAssetsResponse.java
index f1a9f08..116366e 100644
--- a/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ViewAssetsResponse.java
+++ b/Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ViewAssetsResponse.java
@@ -26,8 +26,7 @@ public class ViewAssetsResponse extends ServerMessage{
 
     @Override
     public void accept(ServerInterpreter interpreter) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+        interpreter.received(this);
     }
 
     @Override