an ArrayList of Strings as a parameter. It should first sort the ArrayList using the sort function of the Containers helper class and then remove any duplicates so that only one of any series of duplicates remains in the ArrayList. For example, suppose that the parameter is an ArravList named a containing: ["clam", "squid", "squid", "squid", "clam", "octopus", "octopus", "shrimp"] Then after calling "removeDuplicates(list)" the ArrayList a should contain: ["clam", "octopus", "shrimp", "squid"] Please note: quotation marks would not appear in the actual output of the ArravList, they are only included here for clarity. The actual ArravList output would be: [clam, octopus, shrimp, squid]

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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Question
Write a static method called "removeDuplicates" that takes
an Arravlist of Strings as a parameter. It should first sort the ArravList
using the sort function of the Containers helper class and then remove any
duplicates so that only one of any series of duplicates remains in the
AtravList,
For example, suppose that the parameter is
an Arraylist named a containing:
["clam", "squid", "squid", "squid", "clam", "octopus", "octopus",
"shrimp"]
Then after calling "removeDuplicates(list)" the ArravList a should contain:
["clam", "octopus", "shrimp", "squid"]
Please note: quotation marks would not appear in the actual output of the
ArravList, they are only included here for clarity. The actual Arravlist
output would be:
[clam, octopus, shrimp, squid]
You may use the following code to test your program:
Expected output is listed to the right of the print statement.
import javaitil.*;
public class RemoveDuplicates {
public static void main (String [] args)
ArrayList<String> list
List add ("clam");
List add ("squid");
List add ("squid");
List add ("squid");
list.add ("clam");
List.add ("octopus");
list.add("octopus");
List.add ("shrimp");
removeDuplicates (list);
System.out.printIn(list); // [clam, octopus, shrimp, squid]
}
// *** Your method code goes here ***
} // End of RemoveDuplicates class
new ArrayList<String>();
Transcribed Image Text:Write a static method called "removeDuplicates" that takes an Arravlist of Strings as a parameter. It should first sort the ArravList using the sort function of the Containers helper class and then remove any duplicates so that only one of any series of duplicates remains in the AtravList, For example, suppose that the parameter is an Arraylist named a containing: ["clam", "squid", "squid", "squid", "clam", "octopus", "octopus", "shrimp"] Then after calling "removeDuplicates(list)" the ArravList a should contain: ["clam", "octopus", "shrimp", "squid"] Please note: quotation marks would not appear in the actual output of the ArravList, they are only included here for clarity. The actual Arravlist output would be: [clam, octopus, shrimp, squid] You may use the following code to test your program: Expected output is listed to the right of the print statement. import javaitil.*; public class RemoveDuplicates { public static void main (String [] args) ArrayList<String> list List add ("clam"); List add ("squid"); List add ("squid"); List add ("squid"); list.add ("clam"); List.add ("octopus"); list.add("octopus"); List.add ("shrimp"); removeDuplicates (list); System.out.printIn(list); // [clam, octopus, shrimp, squid] } // *** Your method code goes here *** } // End of RemoveDuplicates class new ArrayList<String>();
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