package com.fanlehai.java.util;

// List of any length, containing sample data.
import java.util.*;

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]
*///:~
