Java tutorial
//package com.java2s; import java.util.*; public class Main { /** * Converts the specified Array to an unmodifiable Collection containing the same elements. * * @param source Array of Objects to be converted to an unmodifiable Collection. * @return Collection of Objects containing the elements of the specified Array. */ public static <E> Collection<E> unmodifiableCollection(E... source) { return Collections.unmodifiableCollection(Arrays.asList(source)); } }