OnJava8-Examples/com/mindviewinc/util/CountingIntegerList.java
2015-11-03 12:00:44 -08:00

26 lines
658 B
Java

// com/mindviewinc/util/CountingIntegerList.java
// List of any length, containing sample data.
package com.mindviewinc.util;
import java.util.*;
public class CountingIntegerList
extends AbstractList<Integer> {
private int size;
public CountingIntegerList(int size) {
this.size = size < 0 ? 0 : size;
}
@Override
public Integer get(int index) {
return index;
}
@Override
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]
*/