Java Collection Tutorial - Java Set.iterator()

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Syntax

Set.iterator() has the following syntax.

Iterator < E > iterator()

Example

In the following code shows how to use Set.iterator() method.

import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
//w w  w. j  a  v  a 2 s .c  o  m
public class Main {
  public static void main(String args[]) {
    String elements[] = { "I", "P", "E", "G", "P" };
    Set set = new HashSet(Arrays.asList(elements));
    Iterator iter = set.iterator();
    while (iter.hasNext()) {
      System.out.println(iter.next());
    }
  }
}

The code above generates the following result.

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