diff --git a/uebungen/u24/DoubleSpace.class b/uebungen/u24/DoubleSpace.class
new file mode 100644
index 0000000..544f14f
Binary files /dev/null and b/uebungen/u24/DoubleSpace.class differ
diff --git a/uebungen/u24/DoubleSpace.java b/uebungen/u24/DoubleSpace.java
new file mode 100644
index 0000000..c387c1f
--- /dev/null
+++ b/uebungen/u24/DoubleSpace.java
@@ -0,0 +1,32 @@
+import java.io.*;
+import java.util.*;
+
+/**
+ * Klasse zum duplizieren von Leerzeilen in Textdateien
+ */
+public class DoubleSpace {
+    public static void main(String[] args) throws FileNotFoundException {
+        doubleSpace("test.txt","out.txt");
+    }
+
+    /**
+     * Duplizierzt Leerzeilen bzw Zeilenumbrueche der
+     * Datei inputFileName und speichert das Ergebnis in
+     * outputFileName ab
+     */
+    public static void doubleSpace(String inputFileName, String outputFileName) throws FileNotFoundException {
+        Scanner input = new Scanner(new File(inputFileName));
+        PrintStream output = new PrintStream(new File(outputFileName));
+
+        if (input.hasNextLine()) {
+            output.println(input.nextLine());
+        }
+        while (input.hasNextLine()) {
+            output.println();
+            output.println(input.nextLine());
+        }
+
+        output.close();
+        input.close();
+    }
+}
diff --git a/uebungen/u24/out.txt b/uebungen/u24/out.txt
new file mode 100644
index 0000000..9782699
--- /dev/null
+++ b/uebungen/u24/out.txt
@@ -0,0 +1,17 @@
+hallo
+
+hier
+
+
+
+sind
+
+
+
+leerzeichen
+
+
+
+
+
+yes
diff --git a/uebungen/u24/test.txt b/uebungen/u24/test.txt
new file mode 100644
index 0000000..0ccd4bd
--- /dev/null
+++ b/uebungen/u24/test.txt
@@ -0,0 +1,9 @@
+hallo
+hier
+
+sind
+
+leerzeichen
+
+
+yes