feat: add implement get by index for linked

app/src/main/java/ru/project/collection/MyLinkedList.java

@@ -0,0 +1,74 @@
+public class MyLinkedList<T> implements MyList<T>
+{
+    private Node head;
+    private int size;
+
+    public void add(T value) {
+        if (head == null) {
+            this.head = new Node<>(value);
+        } else {
+            Node temp = head;
+            while (temp.getNext() != null) {
+                temp = temp.getNext();
+            }
+            temp.setNext(new Node<>(value));
+        }
+        size++;
+    }
+    public T get(int index)
+    {
+        int currentIndex = 0;
+        Node temp = head;
+        while(temp != null)
+        {
+            if (currentIndex == index)
+            {
+                return (T) temp.getValue();
+
+            }
+            else {
+                temp = temp.getNext();
+                currentIndex++;
+            }
+
+        }
+        throw new IllegalArgumentException();
+    }
+    public String toString() {
+        Object[] res = new Object[size];
+        int index = 0;
+        Node temp = head;
+        while (temp != null) {
+            res[index] = temp.getValue();
+            index++;
+            temp = temp.getNext();
+        }
+        return Arrays.toString(res);
+    }
+    public static class Node<T> {
+        private T value;
+        private Node<T> next;
+
+        public Node(T value) {
+            this.value = value;
+        }
+
+        public void setValue(T value) {
+            this.value = value;
+        }
+
+        public void setNext(Node<T> next) {
+            this.next = next;
+        }
+
+        public T getValue() {
+            return value;
+        }
+
+        public Node<T> getNext() {
+            return next;
+        }
+    }
+
+
+}