Implement unique method that takes an ArrayList as input and returns an ArrayList with exactly a single occurrence of each element from the input list. For example, if the input list contains 5, 6, 7, 6, 3, 5, 5, 4 then the output list should have 5, 6, 7, 3, 4. Note: (1) You may assume that the ArrayList has a specific type of elements in it. In the class, we assumed it to have String type values. (2) You may only work with ArrayList(s).

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
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Implement unique method that takes an ArrayList as input and returns an ArrayList with
exactly a single occurrence of each element from the input list. For example, if the input list
contains 5, 6, 7, 6, 3, 5, 5, 4 then the output list should have 5, 6, 7, 3, 4.
Note: (1) You may assume that the ArrayList has a specific type of elements in it. In the class, we assumed
it to have String type values. (2) You may only work with ArrayList(s).

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