diff --git a/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/Main.java b/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/Main.java
index 5a63623..0f4df3b 100644
--- a/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/Main.java
+++ b/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/Main.java
@@ -91,6 +91,7 @@ public class Main {
 		while(iter.hasNext()) {
 			System.out.print(iter.next() + " ");
 		}
+
 		System.out.println();
 
 
diff --git a/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/RingList.java b/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/RingList.java
index 886685c..860c3af 100644
--- a/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/RingList.java
+++ b/src/main/java/xyz/joethei/studium/algodat/praktikum/blatt2/RingList.java
@@ -19,7 +19,7 @@ public class RingList<E> implements List<E> {
 	private Wrapper last;
 	private int size;
 
-	RingList() {
+	public RingList() {
 		first = new Wrapper(null);
 		last = first;
 		last.succ = first;
diff --git a/src/test/java/xyz/joethei/studium/algodat/vorlesung/Blatt2Test.java b/src/test/java/xyz/joethei/studium/algodat/vorlesung/Blatt2Test.java
new file mode 100644
index 0000000..7c1d860
--- /dev/null
+++ b/src/test/java/xyz/joethei/studium/algodat/vorlesung/Blatt2Test.java
@@ -0,0 +1,41 @@
+package xyz.joethei.studium.algodat.vorlesung;
+
+import org.junit.jupiter.api.Test;
+import xyz.joethei.studium.algodat.praktikum.blatt2.List;
+import xyz.joethei.studium.algodat.praktikum.blatt2.RingList;
+
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class Blatt2Test {
+
+    @Test
+    void add()  {
+        List<Integer> rList = new RingList<>();
+        for (int i = 1; i <= 10; i++) {
+            rList.add(i * i);
+        }
+        assertEquals(Optional.of(1), Optional.of(rList.get(0)));
+        assertEquals(Optional.of(4), Optional.of(rList.get(1)));
+        assertEquals(Optional.of(9), Optional.of(rList.get(2)));
+        assertEquals(Optional.of(16), Optional.of(rList.get(3)));
+        assertEquals(Optional.of(25), Optional.of(rList.get(4)));
+        assertEquals(Optional.of(36), Optional.of(rList.get(5)));
+        assertEquals(Optional.of(49), Optional.of(rList.get(6)));
+        assertEquals(Optional.of(64), Optional.of(rList.get(7)));
+        assertEquals(Optional.of(81), Optional.of(rList.get(8)));
+        assertEquals(Optional.of(100), Optional.of(rList.get(9)));
+    }
+
+    @Test
+    void size() {
+        List<Integer> rList = new RingList<>();
+        for (int i = 1; i <= 10; i++) {
+            rList.add(i * i);
+        }
+        assertEquals(10, rList.size());
+    }
+
+
+}
\ No newline at end of file