As described by the UML Class Diagram above, your MyLinkedList class must have the following fields:

a private field named head of type Node, initialized to null

a private field named size of type int, initialized to $0$

Structure of the Methods

As described by the UML Class Diagram above, your MyArrayList class must have the following methods:

a public method named addToEnd that takes an Object argument and returns nothing

a public method named insertAt that takes an int argument and an Object argument and returns nothing

a public method named removeAt that takes an int arguments and returns nothing

a public method named getAt that takes an int argument and returns an Object

a public method named getSize that takes no arguments and returns an int