Example usage for java.io ObjectOutputStream ObjectOutputStream

Introduction

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

Prototype

public ObjectOutputStream(OutputStream out) throws IOException

Source Link

Document

Creates an ObjectOutputStream that writes to the specified OutputStream.

Usage

From source file:Main.java

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

    String s = "Hello World!";
    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    oout.writeUTF(s);//from  w  ww  .  j ava 2 s .  c  o m
    oout.writeUTF("This is an example from java2s.com");
    oout.flush();
    oout.close();

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

    ois.skipBytes(4);
    for (int i = 0; i < ois.available() - 4; i++) {
        System.out.print((char) ois.readByte());
    }
    ois.close();
}

From source file:Main.java

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

    double b = 123.234d;

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

    // write something in the file
    oout.writeDouble(b);/*  w  w  w  .  j a va2  s  .  co  m*/
    oout.writeDouble(456.789d);
    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 double
    System.out.println(ois.readDouble());

    // read and print a double
    System.out.println(ois.readDouble());
    ois.close();
}

From source file:Main.java

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

    byte[] cbuf = new byte[10];

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

    oout.writeUTF("Hello World from java2s.com");
    oout.flush();/*from  ww  w .j  ava 2s.c  o  m*/
    oout.close();
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    ois.read(cbuf, 0, 7);

    for (int i = 0; i < 7; i++) {
        System.out.print((char) cbuf[i]);
    }
    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);/*  w w  w . jav  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 {

    long l = 12345678909876L;

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

    // write something in the file
    oout.writeLong(l);/* w  ww . j a v a 2s .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:shutdown.java

License:asdf

public static void main(String[] args) throws ClassNotFoundException, IOException {
    FileOutputStream fos = new FileOutputStream("objects.tmp");

    ObjectOutputStream oos = new ObjectOutputStream(fos);
    oos.writeObject("asdf");
    oos.flush();//from www.  ja  v  a 2s . co  m
    fos.close();

    FileInputStream fis = new FileInputStream("objects.tmp");
    ObjectInputStream ois = new ObjectInputStream(fis);
    String t = (String) ois.readObject();
    fis.close();

}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Junk obj1 = new Junk("A");
    Junk obj2 = new Junk("B");
    Junk obj3 = new Junk("V");
    ObjectOutputStream objectOut = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("C:/JunkObjects.bin")));

    objectOut.writeObject(obj1); // Write object
    objectOut.writeObject(obj2); // Write object
    objectOut.writeObject(obj3); // Write object
    System.out.println("\n\nobj1:\n" + obj1 + "\n\nobj2:\n" + obj2 + "\n\nobj3:\n" + obj3);
    objectOut.close(); // Close the output stream

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String s = "Hello World from java2s.com";

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

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

    // read and print the unshared object
    System.out.println(ois.readUnshared());
    ois.close();
}

From source file:Main.java

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

    String s = "Hello World from java2s.com!";

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

    oout.writeUTF(s);//  w  ww  .java 2 s.  c om
    oout.writeUTF("This is an example from java2s.com");
    oout.flush();
    oout.close();
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

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

    System.out.println(ois.readUTF());
    ois.close();
}

From source file:Main.java

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

    String s = "Hello World from java2s.com";

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

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

    // read and print the whole content
    byte[] b = new byte[13];
    ois.readFully(b);
    String array = new String(b);
    System.out.println(array);
    ois.close();
}