linkedList start

src/ScuffedLinkedList/linkedlist.java

@@ -0,0 +1,80 @@
+package ScuffedLinkedList;
+
+public class linkedlist
+{
+    private node head;
+    private node tail;
+    private int size;
+
+    linkedlist(int value)
+    {
+        this.head = new node(value);
+    }
+
+    public void add(int value, int index)
+    {
+        node inserted = new node(value);
+        if(index == 0)
+        {
+            if(head.next == null)
+            {
+
+            }
+            else
+            {
+                inserted.next = head;
+                head.prev = inserted;
+            }
+
+        }
+        else if(index <= size)
+        {
+            if(index < size/2)
+            {
+                int counter = 0;
+                node previous = head;
+                node current = previous.prev;
+
+                while (counter < index - 1) {
+                    counter++;
+                    current = current.next;
+                    previous = previous.next;
+
+                }
+                inserted.next = current;
+                inserted.prev = previous;
+
+                current.prev = inserted;
+                previous.next = inserted;
+                size++;
+            }
+            else
+            {
+
+                int counter = size;
+                node previous = tail;
+                node current = previous.prev;
+
+                while (counter > index) {
+                    counter--;
+                    current = current.prev;
+                    previous = previous.prev;
+
+                }
+                inserted.next = current;
+                inserted.prev = previous;
+
+                current.prev = inserted;
+                previous.next = inserted;
+            }
+
+        }
+        else if(index >= size)
+        {
+            inserted.prev = tail;
+            tail.next = inserted;
+            tail = inserted;
+        }
+        size++;
+    }
+}

src/ScuffedLinkedList/node.java

@@ -0,0 +1,36 @@
+package ScuffedLinkedList;
+
+public class node
+{
+    int data;
+    public node next;
+    public node prev;
+    
+    node(int data)
+    {
+        this.data = data;
+    }
+    
+    node()
+    {
+        
+    }
+    public void setData(int data)
+    {
+        this.data = data;
+    }
+    
+    public int getData()
+    {
+        return data;
+    }
+    
+    @Override
+    public String toString()
+    {
+        return String.valueOf(this.data);
+    }
+    
+    
+
+}