Example usage for java.io DataOutputStream DataOutputStream

Introduction

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

Prototype

public DataOutputStream(OutputStream out)

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:Main.java

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

    int howMany = 20;

    ByteArrayOutputStream bout = new ByteArrayOutputStream(howMany * 4);
    DataOutputStream dout = new DataOutputStream(bout);

    for (int i = 0; i <= 20; i++) {
        dout.writeInt(i);//from   ww w.j a v a  2  s . c  o m
    }

    FileOutputStream fout = new FileOutputStream("fibonacci.dat");
    try {
        bout.writeTo(fout);
        fout.flush();
    } finally {
        fout.close();
    }
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    ServerSocket ssock = new ServerSocket(1234);
    while (true) {
        System.out.println("Listening");
        Socket sock = ssock.accept();

        DataOutputStream dstream = new DataOutputStream(sock.getOutputStream());
        dstream.writeFloat(3.14159265f);
        dstream.close();/*from   www. j  a  v a2s.  com*/
        sock.close();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String os = "abc";
    for (byte b : os.getBytes("UTF-16BE")) {
        System.out.println(b);/*from  w w  w. j  a v  a 2  s  .  c o  m*/
    }

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    for (char c : os.toCharArray()) {
        dos.writeChar(c);
    }

    byte[] ba = baos.toByteArray();

    for (byte b : ba) {
        System.out.println(b);
    }
}

From source file:Main.java

public static void main(String[] arguments) {
    try {//from  w  w  w . ja v  a 2 s . co  m
        FileOutputStream file = new FileOutputStream("p.dat");
        BufferedOutputStream buff = new BufferedOutputStream(file);
        DataOutputStream data = new DataOutputStream(buff);

        for (int i = 0; i < 400; i++)
            data.writeInt(i);
        data.close();
    } catch (IOException e) {
        System.out.println("Error - " + e.toString());
    }
}

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 a  2 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:Main.java

public static void main(String[] args) throws IOException {
    short[] s = { -5, 32767 };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);
    for (short j : s) {
        dos.writeShort(j);/*  ww  w  .  j a va  2  s .  c  o  m*/
    }
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);
    while (dis.available() > 0) {
        int k = dis.readUnsignedShort();
        System.out.print(k);
    }
}

From source file:Main.java

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

    byte[] b = { -123, 4 };

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

    for (byte j : b) {
        dos.writeByte(j);//from  w  ww . j  ava2  s .  c om
    }
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);

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

}

From source file:Main.java

public static void main(String[] args) throws IOException {
    short[] s = { 12345, 12345 };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    for (short j : s) {
        dos.writeShort(j);/*w  w  w .java 2 s. c o m*/
    }
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);

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

}

From source file:Main.java

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

    byte[] buf = { 65, 66, 67, 68, 69, 70 };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);
    for (byte b : buf) {
        dos.writeChar(b);/*w  w w . j a  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[] args) throws IOException {
    short[] s = { 123, 234 };

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

    DataOutputStream dos = new DataOutputStream(fos);

    for (short j : s) {
        dos.writeShort(j);/*from   w w w. j a v a2 s  .co m*/
    }

    dos.flush();

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

    DataInputStream dis = new DataInputStream(is);

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

}