Java tutorial
//package com.java2s; /* Copyright 2008, CCTC - Computer Science and Technology Center IBB-DEB - Institute for Biotechnology and Bioengineering - Department of Biological Engineering University of Minho This is free software: you can redistribute it and/or modify it under the terms of the GNU Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This code 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 Public License for more details. You should have received a copy of the GNU Public License along with this code. If not, see <http://www.gnu.org/licenses/>. Created inside the SysBio Research Group (http://sysbio.di.uminho.pt) University of Minho */ import java.io.BufferedReader; import java.io.FileReader; public class Main { public static double[] read_array(String filename) throws Exception { FileReader f = new FileReader(filename); BufferedReader inp = new BufferedReader(f); String str = inp.readLine(); int nl = 0; while (str != null) { nl++; str = inp.readLine(); } inp.close(); f.close(); double[] res = new double[nl]; f = new FileReader(filename); inp = new BufferedReader(f); for (int i = 0; i < nl; i++) { str = inp.readLine(); res[i] = Double.valueOf(str).doubleValue(); } inp.close(); f.close(); return res; } }