diff --git a/VL04_09/ThreadsMonitor1/.classpath b/VL04_09/ThreadsMonitor1/.classpath
new file mode 100644
index 0000000000000000000000000000000000000000..63b7e892d1ebf1eeb9df3d8d71e5bedb134487c1
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/.classpath
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/VL04_09/ThreadsMonitor1/.project b/VL04_09/ThreadsMonitor1/.project
new file mode 100644
index 0000000000000000000000000000000000000000..f23ffe7bc49ada795f21db3596c89800bfb1deba
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ThreadsMonitor1</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/VL04_09/ThreadsMonitor1/.settings/org.eclipse.jdt.core.prefs b/VL04_09/ThreadsMonitor1/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..bb35fa0a87b032ee9d0b128004c1edbd464f07bf
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/VL04_09/ThreadsMonitor1/src/inf3/Ausgabe.java b/VL04_09/ThreadsMonitor1/src/inf3/Ausgabe.java
new file mode 100644
index 0000000000000000000000000000000000000000..b691a5f82dbeffaf3976e0416fa8bda0fb785554
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/src/inf3/Ausgabe.java
@@ -0,0 +1,17 @@
+package inf3;
+public class Ausgabe {
+
+	//synchronized static void SchreibeZeile (char c) {
+	static void SchreibeZeile (char c) {
+		for (int ii=0; ii< 20; ii++) {
+			System.out.print(c + " ");
+			
+		//Warteschleife:
+			for (int ll=0; ll< 1000000; ll++) {
+				Double kk = Math.sqrt(ll);
+			}
+		}
+		System.out.println();
+	}
+}
+
diff --git a/VL04_09/ThreadsMonitor1/src/inf3/Thread_TextAusgabe.java b/VL04_09/ThreadsMonitor1/src/inf3/Thread_TextAusgabe.java
new file mode 100644
index 0000000000000000000000000000000000000000..a23441237881957513786befc735b187d7b29c50
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/src/inf3/Thread_TextAusgabe.java
@@ -0,0 +1,14 @@
+package inf3;
+public class Thread_TextAusgabe extends Thread {
+	char c;
+	Thread_TextAusgabe (char c) {
+		this.c = c;
+	}
+	
+	public void run() {
+		for (int ii=0; ii< 5; ii++) {
+			Ausgabe.SchreibeZeile(c);
+		}
+	}
+}
+
diff --git a/VL04_09/ThreadsMonitor1/src/inf3/ThreadsMonitor1.java b/VL04_09/ThreadsMonitor1/src/inf3/ThreadsMonitor1.java
new file mode 100644
index 0000000000000000000000000000000000000000..bda5cd56e9dd52d8a64e6930f9ec557a0b3463df
--- /dev/null
+++ b/VL04_09/ThreadsMonitor1/src/inf3/ThreadsMonitor1.java
@@ -0,0 +1,24 @@
+/** Programm zur Demonstration der Threadsynchronisation
+ * durch den Einsatz eines Monitors: Zwei Threads sollen 
+ * jeweils 10 mal die im Konstruktor übergebene Ziffer in eine
+ * Zeile schreiben.  Erst wenn die Methode SchreibeZeile() gegen 
+ * Unterbrechungen gesperrt wird, indem sie mit synchronized er-
+ * weitert wird, erhält man die gewünschte gleichmäßige Ausgabe 
+ * der Zahlenwerte.
+ * 
+ * @author stedS
+ * @version 1.0 (2016-01-12) 
+ */
+package inf3;
+public class ThreadsMonitor1 {
+	char c;
+	
+	public static void main(String[] args) {
+		Thread_TextAusgabe th1 = new Thread_TextAusgabe('1');
+		Thread_TextAusgabe th2 = new Thread_TextAusgabe('2');
+		th1.start();
+		th2.start();
+	}
+}
+
+