Remove all solution markdown, task images, solution PDFs, and add renamed folder structure as part of THB-wide reorganization.

uebung_02/src/util/IntArrayList.java

@@ -0,0 +1,20 @@
+package util;
+
+public class IntArrayList {
+    int lenght = 4;
+    int lastUnfilledPos = 0;
+    int[] arr = new int[4];
+
+    public IntArrayList(){}
+
+    public void add(int a){
+        if (lastUnfilledPos < lenght){
+            arr[lastUnfilledPos] = a;
+            lastUnfilledPos ++;
+        }
+        else {
+            int[] arrTemp = new int[lenght*2];
+            
+        }
+    }
+}