Here you can find the source of exec(String command)
public static List<String> exec(String command)
//package com.java2s; /**// w ww . j a v a 2 s. co m * Copyright 2014 Chnoumis. * * Chnoumis licenses this file to you under the Apache License, version * 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * */ import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; public class Main { public static List<String> exec(String command) { try { List<String> retList = new ArrayList<String>(); String line; Process p = Runtime.getRuntime().exec(command); BufferedReader bri = new BufferedReader(new InputStreamReader(p.getInputStream())); BufferedReader bre = new BufferedReader(new InputStreamReader(p.getErrorStream())); while ((line = bri.readLine()) != null) { retList.add(line); } bre.close(); p.waitFor(); return retList; } catch (Exception err) { err.printStackTrace(); } return null; } }