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  2. 24 gen 2012 · Collections.addAll is what you want. Collections.addAll(myArrayList, '+', '-', '*', '^'); Another option is to pass the list into the constructor using Arrays.asList like this: List<Character> myArrayList = new ArrayList<Character>(Arrays.asList('+', '-', '*', '^'));

  3. 25 ott 2022 · 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. addAll(int index, Collection <? extends E> c): we can use this method to insert elements from a collection at the given index.

  4. 7 ago 2023 · By default, the addAll () method appends the elements from the argument collection at the end of this arraylist on which the method is invoked. For example, the following Java program adds the elements of another list to the current arraylist using addAll (). We are declaring generic list types to ensure type safety in runtime.

  5. 20 mag 2019 · Collections addAll () method in Java with Examples - GeeksforGeeks. Last Updated : 20 May, 2019. The addAll () method of java.util.Collections class is used to add all of the specified elements to the specified collection. Elements to be added may be specified individually or as an array.