Example usage for java.io PrintWriter close

Introduction

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

Prototype

public void close()

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:Main.java

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

    PrintWriter pw = new PrintWriter(new FileWriter("logfile.txt", true));
    timeStamp("File opened", pw);
    pw.close();
    if (pw.checkError())
        System.out.println("I/O error occurred.");
}

From source file:Main.java

public static void main(String[] args) {
    try {//from   w ww.jav  a  2s. c o m
        char[] chars = new char[2];
        chars[0] = '\u4F60';
        chars[1] = '\u597D';
        String encoding = "GB18030";
        File textFile = new File("C:\\temp\\myFile.txt");
        PrintWriter writer = new PrintWriter(textFile, encoding);
        writer.write(chars);
        writer.close();

        // read back
        InputStreamReader reader = new InputStreamReader(new FileInputStream(textFile), encoding);
        char[] chars2 = new char[2];
        reader.read(chars2);
        System.out.print(chars2[0]);
        System.out.print(chars2[1]);
        reader.close();
    } catch (IOException e) {
        System.out.println(e.toString());
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileWriter file = new FileWriter("a.html");
    BufferedWriter buffer = new BufferedWriter(file);
    PrintWriter out = new PrintWriter(buffer);
    out.println("<html>\n\t<body>");
    out.println("\t</body>\n</html>");
    out.close();
    buffer.close();//from  w  w  w  .  ja  va2s  .  c o m
    file.close();
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    kg.init(new SecureRandom());
    SecretKey key = kg.generateKey();
    SecretKeyFactory skf = SecretKeyFactory.getInstance("DES");
    Class spec = Class.forName("javax.crypto.spec.DESKeySpec");
    DESKeySpec ks = (DESKeySpec) skf.getKeySpec(key, spec);
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("keyfile"));
    oos.writeObject(ks.getKey());/*w  w  w.j  a v  a  2s.co  m*/

    Cipher c = Cipher.getInstance("DES/CFB8/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, key);
    CipherOutputStream cos = new CipherOutputStream(new FileOutputStream("ciphertext"), c);
    PrintWriter pw = new PrintWriter(new OutputStreamWriter(cos));
    pw.println("Stand and unfold yourself");
    pw.close();
    oos.writeObject(c.getIV());
    oos.close();
}

From source file:base64test.Base64Test.java

/**
 * @param args the command line arguments
 *//*  w w  w  . j  a v  a  2  s  .  c  o  m*/
public static void main(String[] args) {
    try {
        if (!Base64.isBase64(args[0])) {
            throw new Exception("Arg 1 is not a Base64 string!");
        } else {
            String decodedBase64String = new String(Base64.decodeBase64(args[0]));
            File tempFile = File.createTempFile("base64Test", ".tmp");
            tempFile.deleteOnExit();
            FileWriter fw = new FileWriter(tempFile, false);
            PrintWriter pw = new PrintWriter(fw);
            pw.write(decodedBase64String);
            pw.close();
            String fileType = getFileType(tempFile.toPath());
            System.out.println(fileType);
            System.in.read();
        }
    } catch (Exception e) {
        System.err.println(e.getMessage());
    }
}

From source file:MainClass.java

public static void main(String[] args) {
    try {//from   w w  w .j  a  v  a2 s  .c  om
        char[] chars = new char[2];
        chars[0] = '\u4F60';
        chars[1] = '\u597D';
        String encoding = "GB18030";
        File textFile = new File("C:\\temp\\myFile.txt");
        PrintWriter writer = new PrintWriter(textFile,

                encoding);
        writer.write(chars);
        writer.close();

        // read back
        InputStreamReader reader = new InputStreamReader(new FileInputStream(textFile), encoding);
        char[] chars2 = new char[2];
        reader.read(chars2);
        System.out.print(chars2[0]);
        System.out.print(chars2[1]);
        reader.close();
    } catch (IOException e) {
        System.out.println(e.toString());
    }
}

From source file:MainClass.java

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

    URL url = new URL("http://www.yourdomain.com/form.jsp");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);//from   www.j av a  2 s. c om
    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("firstName=Joe");
    out.println("lastName=Average");
    out.close();

}

From source file:MainClass.java

public static void main(String[] args) {
    try {/* w  ww  .j ava2 s.c o m*/
        PrintWriter pw = new PrintWriter("c:\\temp\\printWriterOutput.txt");
        pw.println("PrintWriter is easy to use.");
        pw.println(1234);
        pw.close();
    } catch (IOException e) {
    }
}

From source file:WriteFile.java

public static void main(String[] args) {
    Product[] movies = new Product[10];

    movies[0] = new Product("L", 1946, 14.95);
    movies[1] = new Product("T", 1965, 12.95);
    movies[2] = new Product("Y", 1974, 16.95);
    movies[3] = new Product("T", 1975, 11.95);
    movies[4] = new Product("S", 1977, 17.95);
    movies[5] = new Product("B", 1987, 16.95);
    movies[6] = new Product("G", 1989, 14.95);
    movies[7] = new Product("A", 1995, 19.95);
    movies[8] = new Product("G", 1997, 14.95);
    movies[9] = new Product("R", 2001, 19.95);

    PrintWriter out = openWriter("movies.txt");
    for (Product m : movies)
        writeMovie(m, out);//ww w.  ja  v  a  2s .co m
    out.close();
}

From source file:LogTest.java

public static void main(String[] args) throws IOException {
    String inputfile = args[0];/*from  w  w  w  .j ava  2s. c  o m*/
    String outputfile = args[1];

    Map<String, Integer> map = new TreeMap<String, Integer>();

    Scanner scanner = new Scanner(new File(inputfile));
    while (scanner.hasNext()) {
        String word = scanner.next();
        Integer count = map.get(word);
        count = (count == null ? 1 : count + 1);
        map.put(word, count);
    }
    scanner.close();

    List<String> keys = new ArrayList<String>(map.keySet());
    Collections.sort(keys);

    PrintWriter out = new PrintWriter(new FileWriter(outputfile));
    for (String key : keys)
        out.println(key + " : " + map.get(key));
    out.close();
}