//: net/mindview/util/CountingIntegerList.java // List of any length, containing sample data. package net.mindview.util; import java.util.AbstractList; public class CountingIntegerList extends AbstractList<Integer> { private int size; public CountingIntegerList(int size) { this.size = size < 0 ? 0 : size; } public Integer get(int index) { return Integer.valueOf(index); } public int size() { return size; } public static void main(String[] args) { System.out.println(new CountingIntegerList(30)); } } /* * Output: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, * 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29] */// :~