3 files changed, 47 insertions, 0 deletions
diff --git a/dotnet/Mammoth/Couscous/java/util/ArrayDeque.cs b/dotnet/Mammoth/Couscous/java/util/ArrayDeque.cs
new file mode 100644
index 0000000..df5447d
--- /dev/null
+++ b/dotnet/Mammoth/Couscous/java/util/ArrayDeque.cs
@@ -0,0 +1,35 @@
+namespace Mammoth.Couscous.java.util {
+    internal class ArrayDeque<T> : Deque<T> {
+        private readonly System.Collections.Generic.IList<T> _list = new System.Collections.Generic.List<T>();
+        
+        public int size() {
+            return _list.Count;
+        }
+        
+        public T getFirst() {
+            if (_list.Count > 0) {
+                return _list[0];
+            } else {
+                throw new NoSuchElementException();
+            }
+        }
+        
+        public T getLast() {
+            if (_list.Count > 0) {
+                return _list[_list.Count - 1];
+            } else {
+                throw new NoSuchElementException();
+            }
+        }
+        
+        public void add(T value) {
+            _list.Add(value);
+        }
+        
+        public T removeLast() {
+            T value = getLast();
+            _list.RemoveAt(_list.Count - 1);
+            return value;
+        }
+    }
+}
diff --git a/dotnet/Mammoth/Couscous/java/util/Deque.cs b/dotnet/Mammoth/Couscous/java/util/Deque.cs
new file mode 100644
index 0000000..c954fce
--- /dev/null
+++ b/dotnet/Mammoth/Couscous/java/util/Deque.cs
@@ -0,0 +1,10 @@
+namespace Mammoth.Couscous.java.util {
+    internal interface Deque<T> {
+        int size();
+        T getFirst();
+        T getLast();
+        
+        void add(T value);
+        T removeLast();
+    }
+}
diff --git a/dotnet/Mammoth/Mammoth.csproj b/dotnet/Mammoth/Mammoth.csproj
index 1c17a82..a49035c 100644
--- a/dotnet/Mammoth/Mammoth.csproj
+++ b/dotnet/Mammoth/Mammoth.csproj
@@ -60,8 +60,10 @@
     <Compile Include="Couscous\java\util\function\Function.cs" />
     <Compile Include="Couscous\java\util\function\Predicate.cs" />
     <Compile Include="Couscous\java\util\function\Supplier.cs" />
+    <Compile Include="Couscous\java\util\ArrayDeque.cs" />
     <Compile Include="Couscous\java\util\ArrayList.cs" />
     <Compile Include="Couscous\java\util\Collection.cs" />
+    <Compile Include="Couscous\java\util\Deque.cs" />
     <Compile Include="Couscous\java\util\HashMap.cs" />
     <Compile Include="Couscous\java\util\HashSet.cs" />
     <Compile Include="Couscous\java\util\Iterator.cs" />