Java HashSet Iterator Example

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import java.util.HashSet;
import java.util.Iterator;

public class JavaHashSetIterate {

	public static void main(String[] args) {

		// create object of HashSet
		HashSet hashSet = new HashSet();

		// add elements to HashSet object
		hashSet.add(new Integer("1"));
		hashSet.add(new Integer("2"));
		hashSet.add(new Integer("3"));

		// get the Iterator
		Iterator iterator = hashSet.iterator();

		System.out.println("HashSet contains : ");
		while (iterator.hasNext())
			System.out.println(iterator.next());
	}
}

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