diff --git a/Auto.java b/Auto.java
index 56b9e50..8659f61 100644
--- a/Auto.java
+++ b/Auto.java
@@ -1,4 +1,4 @@
-
+import java.util.random
 
 public class Auto
   {
@@ -6,7 +6,8 @@ public class Auto
       String farbe;
     public Auto(String f)
     {
-        raeder = 4;
+        Random rand = new Random();
+        raeder = rand.nextInt(50);
         farbe = f;
     }
       public void hupe()
@@ -20,5 +21,6 @@ public class Auto
     public void Ausgabe()
     {
         System.out.println("ich bin ein" + farbe + "es Auto!");
+        hupe();
     }
   }
diff --git a/Gerade.java b/Gerade.java
new file mode 100644
index 0000000..1bfc808
--- /dev/null
+++ b/Gerade.java
@@ -0,0 +1,17 @@
+
+public class Gerade
+{
+    double m;
+    double c;
+    public Gerade(double _m, double _c)
+    {
+        m = _m;
+        c = _c;
+    }
+    
+    public Gerade( Punkt p1, Punkt p2)
+    {
+        m = (p2.y -p1.y) / (p2.x - p1.x);
+        c = p1.y - m* p1.x;
+    }
+}
diff --git a/Punkt.java b/Punkt.java
new file mode 100644
index 0000000..b5eba20
--- /dev/null
+++ b/Punkt.java
@@ -0,0 +1,11 @@
+
+public class Punkt
+{
+    double x;
+    double y;
+    public Punkt( double _x, double _y)
+    {
+        x = _x;
+        y = _y;
+    }
+}