Here you can find the source of readIntArray(DataInput input)
public static int[] readIntArray(DataInput input) throws IOException
//package com.java2s; /*//from w w w . j a v a 2 s. com * MiTCR <http://milaboratory.com> * * Copyright (c) 2010-2013: * Bolotin Dmitriy <bolotin.dmitriy@gmail.com> * Chudakov Dmitriy <chudakovdm@mail.ru> * * MiTCR 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/>. */ import java.io.DataInput; import java.io.IOException; import java.nio.ByteBuffer; public class Main { public static int[] readIntArray(DataInput input) throws IOException { int length = input.readInt(); byte[] bytes = new byte[length * 4]; input.readFully(bytes); int[] data = new int[length]; ByteBuffer.wrap(bytes).asIntBuffer().get(data); return data; } }