Example usage for java.io DataInputStream DataInputStream

Introduction

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

Prototype

public DataInputStream(InputStream in)

Source Link

Document

Creates a DataInputStream that uses the specified underlying InputStream.

Usage

From source file:TestEOF.java

public static void main(String[] args) throws IOException {
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream("TestEOF.java")));
    while (in.available() != 0)
        System.out.print((char) in.readByte());
}

From source file:ReadBinaryFile.java

public static void main(String[] args) throws Exception {
    NumberFormat cf = NumberFormat.getCurrencyInstance();

    File file = new File("product.dat");
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));

    boolean eof = false;
    while (!eof) {
        Product movie = readMovie(in);//from  w  ww . j a  v  a2s.  co m
        if (movie == null)
            eof = true;
        else {
            String msg = Integer.toString(movie.year);
            msg += ": " + movie.title;
            msg += " (" + cf.format(movie.price) + ")";
            System.out.println(msg);
        }
    }
    in.close();
}

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 . com
    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:SquareServer.java

public static void main(String args[]) throws Exception {
    int port = Integer.parseInt(args[0]);
    ServerSocket ss = new ServerSocket(port);
    while (true) {
        Socket s = ss.accept();/* w w  w  .j a va  2 s .  c o m*/
        InputStream is = s.getInputStream();
        DataInputStream dis = new DataInputStream(is);
        double value = dis.readDouble();
        value *= value;

        OutputStream os = s.getOutputStream();
        DataOutputStream dos = new DataOutputStream(os);
        dos.writeDouble(value);

        s.close();
    }
}

From source file:MainClass.java

public static void main(String[] args) throws IOException {
    DataOutputStream out2 = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("Data.txt")));
    out2.writeDouble(3.14159);//from   w  ww  . java2 s  .co  m
    out2.writeUTF("Square root of 2");
    out2.close();

    DataInputStream in5 = new DataInputStream(new BufferedInputStream(new FileInputStream("Data.txt")));

    System.out.println(in5.readDouble());
    System.out.println(in5.readUTF());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String host = "host";
    int port = 25;
    String from = "from@from.net";
    String toAddr = "to@to.net";

    Socket servSocket = new Socket(host, port);
    DataOutputStream os = new DataOutputStream(servSocket.getOutputStream());
    DataInputStream is = new DataInputStream(servSocket.getInputStream());

    if (servSocket != null && os != null && is != null) {
        os.writeBytes("HELO\r\n");
        os.writeBytes("MAIL From:" + from + " \r\n");
        os.writeBytes("RCPT To:" + toAddr + "\r\n");
        os.writeBytes("DATA\r\n");
        os.writeBytes("X-Mailer: Java\r\n");
        os.writeBytes(/*  w  w w.j a  v  a2  s .  c om*/
                "DATE: " + DateFormat.getDateInstance(DateFormat.FULL, Locale.US).format(new Date()) + "\r\n");
        os.writeBytes("From:" + from + "\r\n");
        os.writeBytes("To:" + toAddr + "\r\n");
    }

    os.writeBytes("Subject:\r\n");
    os.writeBytes("body\r\n");
    os.writeBytes("\r\n.\r\n");
    os.writeBytes("QUIT\r\n");
    String responseline;
    while ((responseline = is.readUTF()) != null) {
        if (responseline.indexOf("Ok") != -1)
            break;
    }
}

From source file:DataIODemo.java

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

    FileOutputStream fout = new FileOutputStream("Test.dat");
    DataOutputStream out = new DataOutputStream(fout);

    out.writeDouble(98.6);/* w  w w  .j a v a2  s  .co  m*/
    out.writeInt(1000);
    out.writeBoolean(true);

    out.close();

    FileInputStream fin = new FileInputStream("Test.dat");
    DataInputStream in = new DataInputStream(fin);

    double d = in.readDouble();
    int i = in.readInt();
    boolean b = in.readBoolean();

    System.out.println("Here are the values:  " + d + " " + i + " " + b);

    in.close();
}

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);

    dos.writeChars(s);/* ww  w  .  ja  v a 2  s.  c o  m*/

    dos.flush();

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

    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
        char c = dis.readChar();
        System.out.print(c);
    }

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    double data[] = { 1.1, 2.2, 3.3, 4.4, 5.5, 6.6 };
    DataOutputStream fout = new DataOutputStream(new DeflaterOutputStream(new FileOutputStream("data.dat")));
    fout.writeInt(data.length);/*from w  w w  .  j a  v  a2  s .  c o m*/

    for (double d : data)
        fout.writeDouble(d);

    DataInputStream fin = new DataInputStream(new InflaterInputStream(new FileInputStream("data.dat")));
    int num = fin.readInt();

    double avg = 0.0;
    double d;

    for (int i = 0; i < num; i++) {
        d = fin.readDouble();
        avg += d;
        System.out.print(d + " ");
    }
    fin.close();
    fout.close();
}

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);/*  w  ww  .j av  a  2s  .  c o m*/
    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());
}