Application of java.foreach. in the class set

//foreach, the application in the class set
	public static void main(String[] args) {
		List<Integer> arrayList = new ArrayList<Integer>();
		arrayList.add(1);
		arrayList.add(2);
		arrayList.add(3);

		// for(class object: collection)
		for (Integer integer : arrayList) {
			System.out.println(integer);
		}
	}