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The addAll() method adds all of the items from a collection to the list. If an index is provided then the new items will be placed at the specified index, pushing all of the following elements in the list ahead. If an index is not provided then the new items will be placed at the end of the list.
25. Okt. 2022 · Java List addAll() This method is used to add the elements from a collection to the list. There are two overloaded addAll() methods. addAll(Collection <? extends E> c): This method appends all the elements from the given collection to the end of the list. The order of insertion depends on the order in which the collection iterator returns them.
8. Jan. 2024 · 2. AddAll. First of all, we’re going to introduce a simple way to add multiple items into an ArrayList. First, we’ll be using addAll (), which takes a collection as its argument: List<Integer> anotherList = Arrays.asList( 5, 12, 9, 3, 15, 88 ); list.addAll(anotherList);
7. Aug. 2023 · 1. ArrayList addAll() Method. The addAll() method first ensures that there is sufficient space in the list. If the list does not have space, then it grows the list by adding more spaces in the backing array. Then addAll() appends new elements to the end of the list or at the specified index position.
21. Juli 2023 · Wenn Sie alle Elemente einer ArrayList ()- Sammlung zu einer anderen hinzufügen müssen, können Sie die addAll ()- Methode der Java- ArrayList- Klasse verwenden. In diesem Artikel werde ich erklären, wie diese Methode funktioniert, und einige Codebeispiele bereitstellen.
