Set去除重复元素

  /**
	 * set去除重复元素使用iterator
	 */
	public static void main(String[] args) {
		Set<Integer> mySet=new HashSet<Integer>();
		mySet.add(22);
		mySet.add(43);
		mySet.add(22);
		for (Iterator<Integer> iterator = mySet.iterator(); iterator.hasNext();) {
			int name = (Integer) iterator.next();
			System.out.println(name);
		}
	}