$20.$ Which statements are correct about generic data type? $($Choose all that apply$)$

The generic data type must extend from an interface

The generic data type in binary search tree must extend a numeric interface

The generic data type in linked list must extend the Comparable interface

The generic data type in binary search tree must extend the Comparable interface

The generic data type in linked list must extend the Comparator interface

The generic data type in binary tree must extend the Comparator interface

The generic data type can extend from an interface

The inner class ListNode does not need to specify generic data type in the LinkedList $($assume LinkedList used generic data type$)$

The outer class TreeNode does not need to specify generic data type in the BinarySearchTree $($assume BinarySearchTree used generic data type$)$