diff --git a/VL04_09/ThreadDurchInterface_3mitSleep/.classpath b/VL04_09/ThreadDurchInterface_3mitSleep/.classpath
new file mode 100644
index 0000000000000000000000000000000000000000..63b7e892d1ebf1eeb9df3d8d71e5bedb134487c1
--- /dev/null
+++ b/VL04_09/ThreadDurchInterface_3mitSleep/.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/ThreadDurchInterface_3mitSleep/.project b/VL04_09/ThreadDurchInterface_3mitSleep/.project
new file mode 100644
index 0000000000000000000000000000000000000000..494bbf97249569d7d7d154c6ee64c14ed4cde02e
--- /dev/null
+++ b/VL04_09/ThreadDurchInterface_3mitSleep/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ThreadDurchInterface_3mitSleep</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/ThreadDurchInterface_3mitSleep/.settings/org.eclipse.jdt.core.prefs b/VL04_09/ThreadDurchInterface_3mitSleep/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..bb35fa0a87b032ee9d0b128004c1edbd464f07bf
--- /dev/null
+++ b/VL04_09/ThreadDurchInterface_3mitSleep/.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