Here you can find the source of runCommand(final ProcessBuilder command)
private static int runCommand(final ProcessBuilder command) throws IOException, InterruptedException
//package com.java2s; /*/*ww w. j av a 2s .c om*/ * Copyright 2000-2014 JetBrains s.r.o. * * Licensed 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.*; public class Main { private static int runCommand(final ProcessBuilder command) throws IOException, InterruptedException { final Process process = command.start(); new Thread(new Runnable() { @Override public void run() { try { final BufferedReader reader = new BufferedReader( new InputStreamReader(process.getInputStream())); try { //noinspection StatementWithEmptyBody while (reader.readLine() != null) ; } finally { reader.close(); } } catch (IOException e) { throw new RuntimeException(e); } } }).start(); return process.waitFor(); } }