Which Of The Following Performs The Fetch Operation #334
Which of the following performs the fetch operation?
This multiple choice question (MCQ) is related to the book/course gs gs121 Data Structures and Algorithms. It can also be found in gs gs121 Array Types - Sparse Array - Quiz No.1.
Which of the following performs the fetch operation?
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; }
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; }
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; }
public Object fetch(int index) { List cur = this.next; Object val = null; while (cur != null && cur.index != index) { cur = cur.index; } if (cur != null) { val = cur.val; } else { val = null; } return val; }
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