Here you can find the source of toIntArray(Vector vec)
public static int[] toIntArray(Vector vec) throws NumberFormatException
//package com.java2s; /************************************************************************* * Clus - Software for Predictive Clustering * * Copyright (C) 2007 * * Katholieke Universiteit Leuven, Leuven, Belgium * * Jozef Stefan Institute, Ljubljana, Slovenia * * * * This program is free software: you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation, either version 3 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see <http://www.gnu.org/licenses/>. * * * * Contact information: <http://www.cs.kuleuven.be/~dtai/clus/>. * *************************************************************************/ import java.util.*; public class Main { public static int[] toIntArray(Vector vec) throws NumberFormatException { int size = vec.size(); int[] array = new int[size]; for (int i = 0; i < size; i++) array[i] = Integer.parseInt(vec.elementAt(i).toString()); return array; }//from ww w . ja v a2 s .c o m }