Example usage for java.io FileOutputStream FileOutputStream

List of usage examples for java.io FileOutputStream FileOutputStream

Introduction

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

Prototype

public FileOutputStream(FileDescriptor fdObj) 

Source Link

Document

Creates a file output stream to write to the specified file descriptor, which represents an existing connection to an actual file in the file system.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    File file = new File("C:/demo.txt");
    FileOutputStream fos = new FileOutputStream(file);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    FileOutputStream fos = new FileOutputStream(new File("C:/Demo"));
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    bos.write("this is a test".getBytes());
    bos.flush();/*  w ww  . j  av  a 2  s .  c  o m*/
    bos.close();
}

From source file:BufferedOutputStreamDemo.java

public static void main(String args[]) throws Exception {
    FileOutputStream fos = new FileOutputStream(args[0]);

    BufferedOutputStream bos = new BufferedOutputStream(fos);

    // Write 12 bytes to the file
    for (int i = 0; i < 12; i++) {
        bos.write(i);/*from   www .j av  a 2s .  c  o  m*/
    }

    bos.close();
}

From source file:Main.java

public static void main(String[] args) {

    try {//from w w w  . j a  v a2  s . c  o m
        // create a new OutputStreamWriter
        OutputStream os = new FileOutputStream("test.txt");
        OutputStreamWriter writer = new OutputStreamWriter(os);

        // create a new FileInputStream to read what we write
        FileInputStream in = new FileInputStream("test.txt");

        // write something in the file
        writer.write(70);

        // flush the stream
        writer.flush();
        // read what we write
        System.out.println((char) in.read());
        writer.close();
        os.close();

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    byte[] vals = { 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 };
    FileOutputStream fout = new FileOutputStream("Test.dat");
    for (int i = 0; i < vals.length; i += 2)
        fout.write(vals[i]);/*  ww w.j av a2  s  .  c  om*/
    fout.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    FileOutputStream fos = new FileOutputStream("C:/MyZip.zip");
    ZipOutputStream zos = new ZipOutputStream(fos);
    ZipEntry ze = new ZipEntry("C:/file1.txt");
    zos.putNextEntry(ze);/*from  w  w  w. j a v  a 2 s  .co  m*/
    zos.closeEntry();
    ze = new ZipEntry("C:/file2.txt");
    zos.putNextEntry(ze);
    zos.closeEntry();
    zos.close();
}

From source file:Main.java

public static void main(String[] args) {

    char[] arr = { 'H', 'e', 'l', 'l', 'o' };

    try {//w w w. j  a v a2 s.  c  o  m

        OutputStream os = new FileOutputStream("test.txt");
        OutputStreamWriter writer = new OutputStreamWriter(os);

        // create a new FileInputStream to read what we write
        FileInputStream in = new FileInputStream("test.txt");

        // write something in the file
        writer.write(arr, 0, 3);

        // flush the stream
        writer.flush();

        // read what we write
        for (int i = 0; i < 3; i++) {
            System.out.print((char) in.read());
        }

        writer.close();
        in.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedOutputStream bufferedOutput = new BufferedOutputStream(new FileOutputStream("yourFile.txt"));
    bufferedOutput.write("Line one".getBytes());
    bufferedOutput.write("\n".getBytes());

    bufferedOutput.write(65);/*w w  w  .  j av a2  s  .c  o m*/
    bufferedOutput.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String strFilePath = "C:/Double.txt";
    FileOutputStream fos = new FileOutputStream(strFilePath);
    DataOutputStream dos = new DataOutputStream(fos);
    double d = 1;
    dos.writeDouble(d);/*from w  w  w  .jav a 2 s . c  o  m*/
    dos.close();
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    FileOutputStream fos = new FileOutputStream("test");
    MessageDigest md = MessageDigest.getInstance("SHA");
    ObjectOutputStream oos = new ObjectOutputStream(fos);
    String data = "thee";
    byte buf[] = data.getBytes();
    md.update(buf);/*from   www  .  ja v  a 2s  .  c  o  m*/
    oos.writeObject(data);
    oos.writeObject(md.digest());
}