java arrays to list code example

Example 1: java array to list

Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);

Example 2: java list to array

String[] arr = list.toArray(new String[list.size()]);

Example 3: convert array to list java

Arrays.asList(array);

Example 4: java array to list

int[] spam = new int[] { 1, 2, 3 };
Arrays.stream(spam)
      .boxed()
      .collect(Collectors.toList());

Example 5: java list to array

List<Foo> list = new ArrayList<>();
Foo[] array = list.toArray(new Foo[0]);