insert

List.java

@@ -115,10 +115,16 @@ public class List<ContentType> {
      * @param pContent das einzufuegende Objekt vom Typ ContentType
      */
     public void insert( ContentType pContent ) {
+        ListNode<ContentType> newNode = new ListNode<>(pContent);
         if (hasAccess()) {
-            ListNode prev = getPrevious(current);
-            ListNode<> newNode = new ListNode<ContentType>(pContent);
-            current.setNextNode(prev.getNextNode());
+            if (current == first) {
+                newNode.setNextNode(first);
+                first = newNode;
+                current = newNode;
+            } else {
+                ListNode prev = getPrevious(current);
+                current.setNextNode(prev.getNextNode());
+            }
         } else {
             append(pContent);
         }

package.bluej

@@ -1,24 +1,24 @@
 #BlueJ package file
-dependency1.from=Stack
-dependency1.to=StackNode
+dependency1.from=ListTest
+dependency1.to=List
 dependency1.type=UsesDependency
-dependency2.from=StackTest
-dependency2.to=Stack
+dependency2.from=List
+dependency2.to=ListNode
 dependency2.type=UsesDependency
 editor.fx.0.height=777
 editor.fx.0.width=1123
 editor.fx.0.x=101
 editor.fx.0.y=23
-objectbench.height=95
-objectbench.width=776
+objectbench.height=87
+objectbench.width=1256
 package.divider.horizontal=0.6
-package.divider.vertical=0.8118081180811808
-package.editor.height=433
-package.editor.width=653
-package.editor.x=140
-package.editor.y=80
-package.frame.height=600
-package.frame.width=800
+package.divider.vertical=0.8956714761376249
+package.editor.height=800
+package.editor.width=1145
+package.editor.x=0
+package.editor.y=0
+package.frame.height=1000
+package.frame.width=1296
 package.numDependencies=2
 package.numTargets=3
 package.showExtends=true
@@ -30,23 +30,23 @@ readme.width=47
 readme.x=10
 readme.y=10
 target1.height=50
-target1.name=StackNode
+target1.name=List
 target1.showInterface=false
 target1.type=ClassTarget
-target1.width=160
+target1.width=150
 target1.x=70
 target1.y=60
 target2.height=50
-target2.name=StackTest
+target2.name=ListNode
 target2.showInterface=false
-target2.type=UnitTestTargetJunit4
-target2.width=90
-target2.x=430
-target2.y=110
+target2.type=ClassTarget
+target2.width=180
+target2.x=10
+target2.y=120
 target3.height=50
-target3.name=Stack
+target3.name=ListTest
 target3.showInterface=false
-target3.type=ClassTarget
-target3.width=160
-target3.x=80
-target3.y=300
+target3.type=UnitTestTargetJunit4
+target3.width=80
+target3.x=310
+target3.y=150