Which of the following performs the fetch operation?

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Which of the following performs the fetch operation?

Options:

A . public Object fetch(int index){ List cur = this.next; Object val = null; while (cur != null && cur.index != index) { cur = cur.next; } if (cur != null) { val = cur.val; } else { val = null; } return val;}

B . public Object fetch(int index){ List cur = this; Object val = null; while (cur != null && cur.index != index) { cur = cur.next; } if (cur != null) { val = cur.val; } else { val = null; } return val;}

C . public Object fetch(int index){ List cur = this; Object val = null; while (cur != null && cur.index != index) { cur = cur.index; } if (cur != null) { val = cur.val; } else { val = null; } return val;}

D . None of the mentioned

Answer: Option B

You travers through the array until the end is reached or the index is found and return the element at that index, null otherwise.

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