Here you can find the source of arrayConstructor(int len)
public static int[] arrayConstructor(int len)
//package com.java2s; public class Main { public static int[] arrayConstructor(int len) { int[] A = new int[len]; for (int i = 0; i < len; i++) { A[i] = i;/* w w w . j a v a 2s . c om*/ } return A; } }