7. Complete the method public ArrayList swapPairs (ArrayList list), that swaps every pair of numbers in list with the element immediately after it. So the first and second elements swap, the third and fourth elements swap, etc. If the ArrayList has an odd number of elements, the last element is ignored (remains the same).

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
Section: Chapter Questions
Problem 1PE
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how would you solve this? this is a non graded practice lab

7.
Complete the method public
ArrayList<Integer>
swapPairs (ArrayList<Integer>
list), that swaps every pair of numbers
in list with the element immediately
after it. So the first and second elements
swap, the third and fourth elements swap,
etc. If the ArrayList has an odd number of
elements, the last element is ignored
(remains the same).
Transcribed Image Text:7. Complete the method public ArrayList<Integer> swapPairs (ArrayList<Integer> list), that swaps every pair of numbers in list with the element immediately after it. So the first and second elements swap, the third and fourth elements swap, etc. If the ArrayList has an odd number of elements, the last element is ignored (remains the same).
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