import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

public class ValExample {
	public String example() {
		final ArrayList<String> example = new ArrayList<String>();
		example.add("Hello, World!");
		String foo = example.get(0);
		return foo.toLowerCase();
	}
	
	public void example2() {
		final HashMap<Integer, String> map = new HashMap<Integer, String>();
		map.put(0, "zero");
		map.put(5, "five");
		for (final Map.Entry<Integer, String> entry : map.entrySet()) {
			System.out.printf("%d: %s\n", entry.getKey(), entry.getValue());
		}
	}
}