Oct 1, 2008 · If You Can't... For an Immutable List. Use the JDK's Arrays class and its asList() factory method, wrapped with a Collections.unmodifiableList():

Jun 17, 2009 · Java 8 or earlier: List<String> strings = Arrays.asList("foo", "bar", "baz"); Arrays.asList(...) will give you a List * backed by an array, so it cannot change length. But you …

May 13, 2009 · Ints.asList does not create an immutable list, but a fixed-size list backed by given array of ints (i.e. it supports List.set(int, Object)). Second example of "Immutable List of …

May 11, 2021 · You can create Array of ArrayList. List<Integer>[] outer = new List[number]; for (int i = 0; i < number; i++) { outer[i] = new ArrayList<>(); } This will be helpful in scenarios like this. …

List<String> x = new ArrayList<>(Arrays.asList("xyz", "abc")); If you don't want to add new elements to the list later, you can also use (Arrays.asList returns a fixed-size list): List<String> …

Jul 29, 2009 · Static Array: Fixed size array (its size should be declared at the start and can not be changed later) Dynamic Array: No size limit is considered for this. (Pure dynamic arrays do …

Oct 20, 2010 · If you want to allow a user to add a bunch of new MyObjects to the list, you can do it with a for loop: Let's say I'm creating an ArrayList of Rectangle objects, and each Rectangle …

@SuZhang If the list fits in the specified array. For sure the list does not fit into the passed array new Foo[0] (unless the list itself is empty), and a new array will be created for holding the list …

Oct 10, 2014 · List<String> asList = Arrays.asList(strArray); Then I have to use two lines: String[] strArray = new String[5]; Arrays.fill(strArray, "foo");. Is there a one-line solution? You can use …

Jan 17, 2012 · I faced with the similar issue, and just knowing the arrayList is a resizable-array implementation of the List interface, I also expect you can add element to any point, but at …