Example usage for java.io ObjectOutputStream close

List of usage examples for java.io ObjectOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closes the stream.

Usage

From source file:Main.java

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

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeUTF("Hello World from java2s.com");
    oout.flush();/* ww  w.j  a  v  a  2  s  . co m*/
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // check how many bytes are available
    System.out.println(ois.available());
    ois.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    FileOutputStream fos = new FileOutputStream("books.dat");
    ObjectOutputStream oos = new ObjectOutputStream(fos);

    Book book = new Book("1", "Java", "A");

    oos.writeObject(book);//from  w ww  .j a v a 2  s  .  c  o m
    oos.flush();
    oos.close();
    FileInputStream fis = new FileInputStream("books.dat");
    ObjectInputStream ois = new ObjectInputStream(fis);
    book = (Book) ois.readObject();
    System.out.println(book.toString());

    ois.close();
}

From source file:Main.java

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

    ObjectOutputStream out = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("file.data")));
    out.write("java2s.com".getBytes(), 1, 2);
    out.close();

    ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream("file.data")));

    byte[] byteArray = new byte[10];
    in.read(byteArray);/*from ww w  . j  a  v a2s .  c  om*/
    System.out.println(Arrays.toString(byteArray));
    in.close();
}

From source file:Main.java

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

    int i = 123456;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeInt(i);//from  ww  w.ja va 2  s . c o  m
    oout.writeInt(54321);
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read and print an int
    System.out.println(ois.readInt());

    // read and print an int
    System.out.println(ois.readInt());
    ois.close();
}

From source file:Main.java

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

    char b = 'F';

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeChar(b);/*from ww w .  j a  va 2  s. c  o  m*/
    oout.writeChar('A');
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read and print a char
    System.out.println(ois.readChar());

    // read and print a char
    System.out.println(ois.readChar());
    ois.close();
}

From source file:cn.lynx.emi.license.GenerateLicense.java

public static void main(String[] args) throws ClassNotFoundException, ParseException {
    if (args == null || args.length != 4) {
        System.err.println("Please provide [machine code] [cpu] [memory in gb] [yyyy-MM-dd] as parameter");
        return;/*from w  w w.j av  a 2 s  .c  o m*/
    }

    InputStream is = GenerateLicense.class.getResourceAsStream("/privatekey");
    BufferedReader br = new BufferedReader(new InputStreamReader(is));
    String key = null;
    try {
        key = br.readLine();
    } catch (IOException e) {
        System.err.println(
                "Can't read the private key file, make sure there's a file named \"privatekey\" in the root classpath");
        e.printStackTrace();
        return;
    }

    if (key == null) {
        System.err.println(
                "Can't read the private key file, make sure there's a file named \"privatekey\" in the root classpath");
        return;
    }

    String machineCode = args[0];
    int cpu = Integer.parseInt(args[1]);
    long mem = Long.parseLong(args[2]) * 1024 * 1024 * 1024;
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    long expDate = sdf.parse(args[3]).getTime();

    LicenseBean lb = new LicenseBean();
    lb.setCpuCount(cpu);
    lb.setMemCount(mem);
    lb.setMachineCode(machineCode);
    lb.setExpireDate(expDate);

    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream os = new ObjectOutputStream(baos);
        os.writeObject(lb);
        os.close();

        String serializedLicense = Base64.encodeBase64String(baos.toByteArray());
        System.out.println("License:" + encrypt(key, serializedLicense));
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

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

    long l = 12345678909876L;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeLong(l);//w w w .j a  v  a  2  s  .  com
    oout.writeLong(987654321L);
    oout.flush();
    oout.close();

    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    System.out.println(ois.readLine());

    ois.close();
}

From source file:Main.java

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

    byte b = 12;// ww w . j  av a  2  s  . c  om

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeByte(b);
    oout.writeByte(21);
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read and print a byte
    System.out.println((char) ois.readByte());

    // read and print a byte
    System.out.println((char) ois.readByte());
    ois.close();

}

From source file:Main.java

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

    long l = 12345678909876L;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeLong(l);//ww  w  .  j a  v  a2s.c  om
    oout.writeLong(987654321L);
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read and print a long
    System.out.println(ois.readLong());

    // read and print a long
    System.out.println(ois.readLong());
    ois.close();
}

From source file:Blip3.java

public static void main(String[] args) throws IOException, ClassNotFoundException {
    System.out.println("Constructing objects:");
    Blip3 b3 = new Blip3("A String ", 47);
    System.out.println(b3);/*w  ww . ja  va2s .co m*/
    ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream("Blip3.out"));
    System.out.println("Saving object:");
    o.writeObject(b3);
    o.close();
    // Now get it back:
    ObjectInputStream in = new ObjectInputStream(new FileInputStream("Blip3.out"));
    System.out.println("Recovering b3:");
    b3 = (Blip3) in.readObject();
    System.out.println(b3);
}