Java tutorial
//package com.java2s; public class Main { public static long[] convert(Object[] objs) { long[] array = new long[0]; if (objs == null) { return array; } else { array = new long[objs.length]; } for (int i = 0; i < objs.length; i++) { array[i] = Long.parseLong(objs[i].toString()); } return array; } }