import java.util.Arrays;
import java.util.List;public class Client {public static void main(String[] args) {int[] data = {1,2,3,4,5};List list = Arrays.asList(data);System.out.println("列表中的元素数量是：" + list.size());}}

列表中的元素数量是：1

 1     /**
 2      * Returns a fixed-size list backed by the specified array.  (Changes to
 3      * the returned list "write through" to the array.)  This method acts
 4      * as bridge between array-based and collection-based APIs, in
 5      * combination with {@link Collection#toArray}.  The returned list is
 6      * serializable and implements {@link RandomAccess}.
 7      *
 8      * <p>This method also provides a convenient way to create a fixed-size
 9      * list initialized to contain several elements:
10      * <pre>
11      *     List&lt;String&gt; stooges = Arrays.asList("Larry", "Moe", "Curly");
12      * </pre>
13      *
14      * @param a the array by which the list will be backed
15      * @return a list view of the specified array
16      */
17     @SafeVarargs
18     public static <T> List<T> asList(T... a) {
19         return new ArrayList<>(a);
20     }

 1 import java.util.Arrays;
 2 import java.util.List;
 3
 4 public class Client {
 5
 6     public static void main(String[] args) {
 7         int[] data = {1,2,3,4,5};
 8         List list = Arrays.asList(data);
 9         System.out.println("元素类型：" + list.get(0).getClass());
10         System.out.println("前后是否相等："+data.equals(list.get(0)));
11     }
12
13 }

元素类型：class [I
前后是否相等：true

import java.util.Arrays;
import java.util.List;public class Client {public static void main(String[] args) {Integer[] data = {1,2,3,4,5};List list = Arrays.asList(data);System.out.println("列表中的元素数量是：" + list.size());}}

列表中的元素数量是：5