diff --git a/src/graph/Edge.java b/src/graph/Edge.java
new file mode 100644
index 0000000..fb5af98
--- /dev/null
+++ b/src/graph/Edge.java
@@ -0,0 +1,6 @@
+package graph;
+
+public class Edge<T> {
+    Node<T> node1;
+    Node<T> node2;
+}
diff --git a/src/graph/Graph.java b/src/graph/Graph.java
new file mode 100644
index 0000000..dc8fd7a
--- /dev/null
+++ b/src/graph/Graph.java
@@ -0,0 +1,4 @@
+package graph;
+
+public class Graph {
+}
diff --git a/src/graph/Node.java b/src/graph/Node.java
new file mode 100644
index 0000000..52ddb09
--- /dev/null
+++ b/src/graph/Node.java
@@ -0,0 +1,5 @@
+package graph;
+
+public class Node<T> {
+    T item;
+}