Which of the following statements is true? $($Note: in Java, an ArrayList is not implemented as a linked list. It is a regular array, but provides methods of the List interface. Based on this information, you should be able to answer this question even if you don't know Java.$)$

Pick all that apply

The running time complexity of this program is $O(n)$

The running time complexity of this program is $O(nlogn)$

The running time complexity of this program is $0(n^2)$

Such a program can never work because it is modifying the same array that it is looping over

Such a program can never work because such a remove method cannot be implemented for an array