package uulm.teamname.marvelous.gamelibrary;

import java.util.ArrayList;
import java.util.Arrays;

/** Provides various tools for Arrays. */
public class ArrayTools {
    /**
     * Returns a variable-size array list backed by the specified array without allocating more memory than necessary.
     * @param <E> the class of the objects in the array
     * @param a the array by which the list will be backed
     * @return a list view of the specified array
     * @throws NullPointerException if the specified array is {@code null}
     */
    public static <E> ArrayList<E> toArrayList(E[] a) {
        ArrayList<E> l = new ArrayList<>(a.length);
        l.addAll(Arrays.asList(a));
        return l;
    }
}