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Add()

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AP Computer Science A

Definition

The add() method is used to insert an element into a data structure, such as a list or set.

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Subjects (2)

Practice Questions (3)

What will be the output of the following code? ``` ArrayList<Integer> list = new ArrayList<>(); list.add(5); list.add(7); list.add(9); list.add(11); list.add(13); System.out.println(list.size()); ```
What will be the output of the following code? ``` ArrayList<Integer> list = new ArrayList<>(); list.add(3); list.add(6); list.add(9); list.add(12); list.add(15); System.out.println(list.get(2)); ```
What will be the size of the ArrayList after executing the following code? ``` ArrayList<Integer> list = new ArrayList<>(); list.add(1); list.add(2); list.add(3); list.add(4); list.add(1, 5); list.add(3, 6); list.add(5, 7); ```

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