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import java.util.ArrayList; public class Main { public static void main(String[] args) { ArrayList<Integer> list = new ArrayList<Integer>(); list.ensureCapacity(15); for (int i = 1; i <= 15; i++) { list.add(i); } System.out.println(list); } }
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
