Here you can find the source of writeString(String stringToWrite, DataOutputStream data)
public static void writeString(String stringToWrite, DataOutputStream data) throws IOException
//package com.java2s; /*//w w w . jav a 2s. c o m * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU Lesser 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 * Lesser General Public License along with this program. If not, see * <http://www.gnu.org/licenses/> */ import java.io.DataOutputStream; import java.io.IOException; public class Main { /** * Writes a String to the DataOutputStream */ public static void writeString(String stringToWrite, DataOutputStream data) throws IOException { if (stringToWrite.length() > 32767) { throw new IOException("String too big"); } else { data.writeShort(stringToWrite.length()); data.writeChars(stringToWrite); } } }