Here you can find the source of intArrayToLong(int[] array)
public static long intArrayToLong(int[] array)
//package com.java2s; //License from project: Open Source License public class Main { public static long intArrayToLong(int[] array) { StringBuilder sb = new StringBuilder(); for (int element : array) { sb.append(element);//w ww .ja v a2 s . c o m } return Long.parseLong(sb.toString()); } }