update,

_resources/it114105/itp4510/Lab03/Lab3.1/src/DoublyNode.java

@@ -0,0 +1,19 @@
+public class DoublyNode {
+    
+    Object data;
+    DoublyNode previous;
+    DoublyNode next;
+
+    DoublyNode(Object data){
+        this.data = data;
+        previous = next = null;
+    }
+
+    DoublyNode(Object data, DoublyNode previous, DoublyNode next){
+        this.data = data;
+        this.previous = previous;
+        this.next = next;
+    }
+
+
+}