diff --git a/c_os/user/CoopThreadDemo.cc b/c_os/user/CoopThreadDemo.cc
index 7cbc0a7..ddce042 100644
--- a/c_os/user/CoopThreadDemo.cc
+++ b/c_os/user/CoopThreadDemo.cc
@@ -8,19 +8,40 @@
  * Autor:           Michael Schoettner, HHU, 21.8.2016                       *
  *****************************************************************************/
 
-#include "kernel/Globals.h"
 #include "user/CoopThreadDemo.h"
+#include "kernel/Globals.h"
 #include "user/LoopThread.h"
 
-
 /*****************************************************************************
  * Methode:         CoopThreadDemo::run                                      *
  *---------------------------------------------------------------------------*
  * Beschreibung:    Der Anwendungsthread erzeugt drei Threads die Zaehler    *
  *                  ausgeben und terminiert sich selbst.                     *
  *****************************************************************************/
-void CoopThreadDemo::run () {
-  
+void CoopThreadDemo::run() {
+
     /* Hier muss Code eingefuegt werden */
-    
+
+    kout << "Allocating LoopThread A" << endl;
+    Thread* cntA = new LoopThread(0);
+    kout << "Allocating LoopThread B" << endl;
+    Thread* cntB = new LoopThread(1);
+    kout << "Allocating LoopThread C" << endl;
+    Thread* cntC = new LoopThread(2);
+
+    kout << "Adding threads to ready queue" << endl;
+    scheduler.ready(cntA);
+    scheduler.ready(cntB);
+    scheduler.ready(cntC);
+
+    int cnt = 0;
+    while (cnt++ < 1000) {
+        scheduler.yield();
+    }
+
+    kout << "Killing LoopThread A" << endl;
+    scheduler.kill(cntA);
+
+    kout << "Exiting main thread" << endl;
+    scheduler.exit();
 }
diff --git a/c_os/user/CoopThreadDemo.h b/c_os/user/CoopThreadDemo.h
index 91c4f2a..85f1c6a 100644
--- a/c_os/user/CoopThreadDemo.h
+++ b/c_os/user/CoopThreadDemo.h
@@ -10,22 +10,22 @@
 #ifndef __coopthreaddemo_include__
 #define __coopthreaddemo_include__
 
-
+#include "kernel/Globals.h"
 #include "kernel/threads/Thread.h"
 
-
 class CoopThreadDemo : public Thread {
-    
+
 private:
-    CoopThreadDemo (const CoopThreadDemo &copy); // Verhindere Kopieren
+    CoopThreadDemo(const CoopThreadDemo& copy) = delete;  // Verhindere Kopieren
 
 public:
     // Gib dem Anwendungsthread einen Stack.
-    CoopThreadDemo () : Thread () { }
+    CoopThreadDemo() {
+        kout << "Initialized CoopThreadDemo" << endl;
+    }
 
     // Thread-Startmethode
-    void run ();
-
- };
+    void run() override;
+};
 
 #endif
diff --git a/c_os/user/LoopThread.cc b/c_os/user/LoopThread.cc
index dcdc9ac..9fcc61f 100644
--- a/c_os/user/LoopThread.cc
+++ b/c_os/user/LoopThread.cc
@@ -9,14 +9,19 @@
 #include "user/LoopThread.h"
 #include "kernel/Globals.h"
 
-
 /*****************************************************************************
  * Methode:         LoopThread::run                                          *
  *---------------------------------------------------------------------------*
  * Beschreibung:    Code des Threads.                                        *
  *****************************************************************************/
-void LoopThread::run () {
-   
-   /* Hier muss Code eingefuegt werden */
-   
+void LoopThread::run() {
+
+    /* Hier muss Code eingefuegt werden */
+
+    int cnt = 0;
+    while (true) {
+        kout.setpos(55, this->id);
+        kout << this->id << ": " << dec << cnt++ << endl;
+        scheduler.yield();
+    }
 }
diff --git a/c_os/user/LoopThread.h b/c_os/user/LoopThread.h
index 47e9ec1..806cb33 100644
--- a/c_os/user/LoopThread.h
+++ b/c_os/user/LoopThread.h
@@ -12,18 +12,18 @@
 #include "kernel/threads/Thread.h"
 
 class LoopThread : public Thread {
-    
+
 private:
     int id;
 
-    LoopThread (const LoopThread &copy); // Verhindere Kopieren
-    
+    LoopThread(const LoopThread& copy) = delete;  // Verhindere Kopieren
+
 public:
     // Gibt der Loop einen Stack und eine Id.
-    LoopThread (int i) : Thread () { id = i; }
+    LoopThread(int i) : id(i) {}
 
     // Zaehlt einen Zaehler hoch und gibt ihn auf dem Bildschirm aus.
-    void run ();
+    void run() override;
 };
 
 #endif