Example usage for java.io DataInputStream readUTF

Introduction

In this page you can find the example usage for java.io DataInputStream readUTF.

Prototype

public final String readUTF() throws IOException

Source Link

Document

See the general contract of the readUTF method of DataInput.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream fileIn = new FileInputStream("data.txt");
    DataInputStream dataIn = new DataInputStream(fileIn);
    System.out.println(dataIn.readUTF());
    int counter = dataIn.readInt();
    double sum = 0.0;
    for (int i = 0; i < counter; i++) {
        double current = dataIn.readDouble();
        System.out.println("Just read " + current);
        sum += current;/* w w w.j  a  v a  2 s  .c o  m*/
    }
    System.out.println("\nAverage = " + sum / counter);
    dataIn.close();
    fileIn.close();
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    String[] s = { "Hello", "tutorial from java2s.com!!" };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);
    for (String j : s) {
        dos.writeUTF(j);/*from   w w  w . j a  v  a 2 s. com*/
    }
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);
    while (dis.available() > 0) {
        String k = dis.readUTF();
        System.out.print(k);
    }

}

From source file:Main.java

public static void main(String[] args) throws IOException {
    String[] s = { "Hello", "from java2s.com!" };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    for (String j : s) {
        dos.writeUTF(j);// w  w  w .  j av  a  2  s.  c o  m
    }

    dos.flush();

    InputStream is = new FileInputStream("c:\\test.txt");

    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
        String k = dis.readUTF();
        System.out.print(k);
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String serverName = args[0];//from   w ww. j a v a2 s  . c o m
    int port = Integer.parseInt(args[1]);

    try {
        System.out.println("Connecting to " + serverName + " on port " + port);
        Socket client = new Socket(serverName, port);

        System.out.println("Just connected to " + client.getRemoteSocketAddress());

        OutputStream outToServer = client.getOutputStream();
        DataOutputStream out = new DataOutputStream(outToServer);
        out.writeUTF("Hello from " + client.getLocalSocketAddress());

        InputStream inFromServer = client.getInputStream();
        DataInputStream in = new DataInputStream(inFromServer);
        System.out.println("Server says " + in.readUTF());

        client.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] atgs) throws Exception {
    DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("java.txt")));
    out.writeUTF("");
    out.writeBytes("a");
    out.writeChars("aaa");
    out.close();/*w  ww.  j a va 2s  . c o  m*/
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream("java.txt")));
    System.out.println(in.readUTF());
    byte[] buf = new byte[1024];
    int len = in.read(buf);
    System.out.println(new String(buf, 0, len));
    in.close();
}

From source file:Main.java

public static void main(String[] args) throws IOException {

    String[] s = { "Hello", "java2s.com!" };

    FileOutputStream fos = new FileOutputStream("c:\\test.txt");

    DataOutputStream dos = new DataOutputStream(fos);

    for (String j : s) {
        dos.writeUTF(j);/*from  www .ja v a2  s.c om*/
    }

    dos.flush();

    InputStream is = new FileInputStream("c:\\test.txt");

    DataInputStream dis = new DataInputStream(is);
    while (dis.available() > 0) {
        String k = dis.readUTF();
        System.out.print(k);
    }

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://localhost:8080/postedresults.jsp");
    URLConnection conn = url.openConnection();
    conn.setDoInput(true);/*from  w  w w .  j ava 2s. co  m*/
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    DataOutputStream out = new DataOutputStream(conn.getOutputStream());
    String content = "CONTENT=HELLO JSP !&ONEMORECONTENT =HELLO POST !";

    out.writeBytes(content);
    out.flush();
    out.close();

    DataInputStream in = new DataInputStream(conn.getInputStream());
    String str;
    while (null != ((str = in.readUTF()))) {
        System.out.println(str);
    }
    in.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    URL url = new URL("http://www.java.com/");
    URLConnection urlConnection = url.openConnection();
    DataInputStream dis = new DataInputStream(urlConnection.getInputStream());
    String html = "", tmp = "";
    while ((tmp = dis.readUTF()) != null) {
        html += " " + tmp;
    }//from www .j  a v  a 2 s  . c om
    dis.close();

    html = html.replaceAll("\\s+", " ");
    Pattern p = Pattern.compile("<title>(.*?)</title>");
    Matcher m = p.matcher(html);
    while (m.find() == true) {
        System.out.println(m.group(1));
    }
}

From source file:InputOutputDemoBinaryFile.java

public static void main(String[] a) throws Exception {

    //Write primitive values to a binary file "java2s.dat":
    DataOutputStream dos = new DataOutputStream(new FileOutputStream("java2s.dat"));
    dos.writeInt(228);/*from  w w  w  .  java2s.com*/
    dos.writeChar(' ');
    dos.writeUTF("Java Source and Support at www.java2s.com");
    dos.close();
    //Read primitive values from binary file "java2s.dat":
    DataInputStream dis = new DataInputStream(new FileInputStream("java2s.dat"));
    System.out.println(dis.readInt() + "|" + dis.readChar() + "|" + dis.readUTF());
}

From source file:paxos.Receiver.java

/**
 * Contoh kode program untuk node yang menerima paket. Idealnya dalam paxos
 * balasan juga dikirim melalui UnreliableSender.
 *//*ww w.j  av a  2  s.  c  om*/
public static void main(String args[]) throws Exception {
    System.out.println("STARTED:");
    int listenPort = 9876;
    /*DatagramSocket serverSocket = new DatagramSocket(listenPort);
            
    byte[] receiveData = new byte[1024];
    while(true)
    {
            DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
            serverSocket.receive(receivePacket);
            
            String sentence = new String(receivePacket.getData(), 0, receivePacket.getLength());
            JSONObject receivedMessage = new JSONObject(sentence);
            System.out.println("RECEIVED: " + receivedMessage.optString("method"));
    }*/
    try {

        ServerSocket serverSocket = new ServerSocket(listenPort);
        System.out.println("Server connected\n");

        while (true) {
            Socket server = serverSocket.accept();
            DataInputStream in = new DataInputStream(server.getInputStream());
            System.out.println(in.readUTF());
            DataOutputStream out = new DataOutputStream(server.getOutputStream());
            out.writeUTF("Thank you for connecting to " + server.getLocalSocketAddress() + "\nGoodbye!");

        }
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("It didn't work");
    }
}