27.11 ( setToList ) Write the following method that returns an ArrayList from a set.
public static <E> ArrayList<E> setToList(Set<E> s)
public static <E> ArrayList<E> setToList(Set<E> s)
import java.util.ArrayList; import java.util.Set; public class Exercise11 { public static void main(String[] args) { // Create a set Set<String> set = new java.util.HashSet<>(); set.add("Mark"); set.add("Smith"); set.add("Anderson"); set.add("Sally"); System.out.println("Elements in the set: " + set); // Convert the set to an ArrayList ArrayList<String> list = setToList(set); System.out.println("Elements in the ArrayList: " + list); System.out.println("Elements at ArrayList index 2: " + list.get(2)); } /** Return an ArrayList from a set */ public static <E> ArrayList<E> setToList(Set<E> s) { // Create an ArrayList ArrayList<E> list = new ArrayList<>(); // Add elements from set for (E e: s) { list.add(e); } return list; } }
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