Complete the method void add(T item). It adds an item into the set if it is not already inside. It throws IllegalArgumentException if item is null. For example: Test Result ARSet set = new ARSet<>(); true set.add("a"); System.out.println(set.contains("a")); a System.out.println(set.size()); for (String item : set) { System.out.println(item);

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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please complete this method, thanks

/**
 * Adds an item into the set if it is not already inside.
 * @param item to be added inside the set.
 * @throws IllegalArgumentException if item is null.
 */
public void add(T item) {

}

Complete the method void add(T item).
It adds an item into the set if it is not already inside.
It throws IllegalArgumentException if item is null.
For example:
Test
Result
ARSet<String> set = new ARSet<>();
true
set.add("a");
1.
System.out.println(set.contains("a")); a
System.out.println(set.size());
for (String item : set) {
System.out.println(item);
}
Transcribed Image Text:Complete the method void add(T item). It adds an item into the set if it is not already inside. It throws IllegalArgumentException if item is null. For example: Test Result ARSet<String> set = new ARSet<>(); true set.add("a"); 1. System.out.println(set.contains("a")); a System.out.println(set.size()); for (String item : set) { System.out.println(item); }
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