diff --git a/src/main/java/Model/Model.java b/src/main/java/Model/Model.java
new file mode 100644
index 0000000..1ab1b9a
--- /dev/null
+++ b/src/main/java/Model/Model.java
@@ -0,0 +1,11 @@
+package Model;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public interface Model {
+}
diff --git a/src/main/java/Presenter/Algorithms/Algorithm.java b/src/main/java/Presenter/Algorithms/Algorithm.java
new file mode 100644
index 0000000..8dd4208
--- /dev/null
+++ b/src/main/java/Presenter/Algorithms/Algorithm.java
@@ -0,0 +1,13 @@
+package Presenter.Algorithms;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public abstract class Algorithm {
+
+
+}
diff --git a/src/main/java/Presenter/Algorithms/LeastMedianOfSquaresEstimator.java b/src/main/java/Presenter/Algorithms/LeastMedianOfSquaresEstimator.java
new file mode 100644
index 0000000..b19e69a
--- /dev/null
+++ b/src/main/java/Presenter/Algorithms/LeastMedianOfSquaresEstimator.java
@@ -0,0 +1,11 @@
+package Presenter.Algorithms;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public class LeastMedianOfSquaresEstimator extends Algorithm {
+}
diff --git a/src/main/java/Presenter/Algorithms/RepeatedMedianEstimator.java b/src/main/java/Presenter/Algorithms/RepeatedMedianEstimator.java
new file mode 100644
index 0000000..611a851
--- /dev/null
+++ b/src/main/java/Presenter/Algorithms/RepeatedMedianEstimator.java
@@ -0,0 +1,11 @@
+package Presenter.Algorithms;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public class RepeatedMedianEstimator extends Algorithm {
+}
diff --git a/src/main/java/Presenter/Algorithms/TheilSenEstimator.java b/src/main/java/Presenter/Algorithms/TheilSenEstimator.java
new file mode 100644
index 0000000..74a4c9f
--- /dev/null
+++ b/src/main/java/Presenter/Algorithms/TheilSenEstimator.java
@@ -0,0 +1,11 @@
+package Presenter.Algorithms;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public class TheilSenEstimator extends Algorithm {
+}
diff --git a/src/main/java/Presenter/Coordinator.java b/src/main/java/Presenter/Coordinator.java
new file mode 100644
index 0000000..726f2f1
--- /dev/null
+++ b/src/main/java/Presenter/Coordinator.java
@@ -0,0 +1,27 @@
+package Presenter;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public class Coordinator implements Presenter {
+
+    public void getDataFromModel() {
+
+    }
+
+    public void setDataByModel() {
+
+    }
+
+    public void getActionsFromView() {
+
+    }
+
+    public void setActionByView() {
+
+    }
+}
diff --git a/src/main/java/Presenter/Presenter.java b/src/main/java/Presenter/Presenter.java
new file mode 100644
index 0000000..25cd3ac
--- /dev/null
+++ b/src/main/java/Presenter/Presenter.java
@@ -0,0 +1,20 @@
+package Presenter;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public interface Presenter {
+
+    public void getDataFromModel();
+
+    public void setDataByModel();
+
+    public void getActionsFromView();
+
+    public void setActionByView();
+
+}
diff --git a/src/main/java/View/View.java b/src/main/java/View/View.java
new file mode 100644
index 0000000..e520e10
--- /dev/null
+++ b/src/main/java/View/View.java
@@ -0,0 +1,11 @@
+package View;
+
+/**
+ * Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
+ *
+ * @Author: Armin Wolf
+ * @Email: a_wolf28@uni-muenster.de
+ * @Date: 28.05.2017.
+ */
+public interface View {
+}