You are given a LinkedList, a, which has already been filled with n items. The number of tems is guaranteed to be an even number greater than 2. We wish to remove every other item. java.util.Iterator itr = a.iterator(); while(itr.hasNext()) { itr.next(); itr.next(); itr.remove (); What is the big-O cost of the following method in the worst case? O (2^N) O (1) O O(N) O O(N^2) O O(logN)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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You are given a LinkedList<String>, a, which has already been filled with n items. The number of
items is guaranteed to be an even number greater than 2. We wish to remove every other item.
java.util.Iterator itr = a.iterator();
while(itr.hasNext()) {
itr.next();
itr.next();
itr.remove ();
}
What is the big-O cost of the following method in the worst case?
O O(2^N)
O 0(1)
O O(N)
O O(N^2)
O O(logN)
Transcribed Image Text:You are given a LinkedList<String>, a, which has already been filled with n items. The number of items is guaranteed to be an even number greater than 2. We wish to remove every other item. java.util.Iterator itr = a.iterator(); while(itr.hasNext()) { itr.next(); itr.next(); itr.remove (); } What is the big-O cost of the following method in the worst case? O O(2^N) O 0(1) O O(N) O O(N^2) O O(logN)
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