java-basics/core-java/collections/HashSetExample.java at master · CodeForHunger/java-basics · GitHub

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package collections;

import java.util.*;

public class HashSetExample {

public static void main(String[] args) {

HashSet<String> hs = new HashSet<String>();

hs.add("AAA");

hs.add("BBB");

hs.add("CCC");

hs.add("AAA");

hs.add("DDD");

System.out.println("HashSet: " + hs);

System.out.println("List contains AAA? : " + hs.contains("AAA"));

hs.remove("AAA");

System.out.print("Iterating over list: ");

Iterator<String> itr = hs.iterator();

while(itr.hasNext()){

System.out.print(itr.next() + " ");

}

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