Example usage for java.io IOException printStackTrace

List of usage examples for java.io IOException printStackTrace

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Introduction

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

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:Main.java

public static void main(String[] args) {
    try {/*w w  w  . j  av  a  2s.  c o  m*/
        String s = "Hello world from java2s.com";

        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        // write something in the file
        raf.writeUTF(s);

        // set the file pointer at 0 position
        raf.seek(0);

        // create an array equal to the length of raf
        byte[] arr = new byte[10];

        // read the file
        raf.readFully(arr, 3, 7);

        // create a new string based on arr
        String s2 = new String(arr);

        // print it
        System.out.println(s2);
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] args) {
    try {/*from www  .j a  v a  2 s .c  o  m*/
        String s = "tutorial from java2s.com";

        Reader reader = new StringReader(s);

        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        reader.close();

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

From source file:Main.java

public static void main(String[] args) {
    try {/* w  ww  . j  a  va  2s.  c  om*/
        // create a new RandomAccessFile with filename Example
        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        // write something in the file
        raf.writeUTF("java2s.com Hello World");

        // set the file pointer at 0 position
        raf.seek(0);

        // read and print the contents of the file
        System.out.println(raf.readUTF());

        // return the file pointer
        System.out.println(raf.getFilePointer());

        // change the position of the file pointer
        raf.seek(5);

        // return the file pointer
        System.out.println(raf.getFilePointer());

        // close the strea and release resources
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] args) {
    try {//  ww w . j av a 2s . c  o  m
        double d = 1.2345678;

        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        raf.writeDouble(123.456789);

        // set the file pointer at 0 position
        raf.seek(0);

        System.out.println(raf.readDouble());

        // set the file pointer at 0 position
        raf.seek(0);

        // write a double at the start
        raf.writeDouble(d);

        // set the file pointer at 0 position
        raf.seek(0);

        // read double
        System.out.println(raf.readDouble());
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

From source file:SocketTest.java

public static void main(String[] args) {
    try {//from   w w  w  . j av a 2 s  .  co m
        Socket s = new Socket("time-A.timefreq.bldrdoc.gov", 13);
        try {
            InputStream inStream = s.getInputStream();
            Scanner in = new Scanner(inStream);

            while (in.hasNextLine()) {
                String line = in.nextLine();
                System.out.println(line);
            }
        } finally {
            s.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Person.java

public static void main(String[] args) {
    Person p1 = new Person("John", "Male", 1.7);
    Person p2 = new Person("Wally", "Male", 1.7);
    Person p3 = new Person("Katrina", "Female", 1.4);

    File fileObject = new File("person.ser");

    try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(fileObject))) {

        oos.writeObject(p1);//from   w ww .j a v a 2s  . c  om
        oos.writeObject(p2);
        oos.writeObject(p3);

        // Display the serialized objects on the standard output
        System.out.println(p1);
        System.out.println(p2);
        System.out.println(p3);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Test.java

public static void main(String[] args) {
    try {/*from   www .ja  v a 2s  . c o m*/
        Path source = Paths.get("/home");
        Path target = Paths.get("/backup");
        Files.walkFileTree(source, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE,
                new CopyDirectory(source, target));
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:MainClass.java

public static void main(String[] args) {
    String host = args[0];//from  w ww  .  ja va 2s .co  m
    int port = Integer.parseInt(args[1]);

    try {
        System.out.println("Locating socket factory for SSL...");
        SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault();

        System.out.println("Creating secure socket to " + host + ":" + port);
        SSLSocket socket = (SSLSocket) factory.createSocket(host, port);

        System.out.println("Enabling all available cipher suites...");
        String[] suites = socket.getSupportedCipherSuites();
        socket.setEnabledCipherSuites(suites);

        System.out.println("Registering a handshake listener...");
        socket.addHandshakeCompletedListener(new MyHandshakeListener());

        System.out.println("Starting handshaking...");
        socket.startHandshake();

        System.out.println("Just connected to " + socket.getRemoteSocketAddress());
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {/*from  www . ja  va  2s  .c om*/
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.print(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.close();

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

From source file:Main.java

public static void main(String[] args) {
    try {/* w w  w  . ja va2  s  .c  o m*/
        char c = 'J';

        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        // write something in the file
        raf.writeChar('A');

        // set the file pointer at 0 position
        raf.seek(0);

        // read char
        System.out.println(raf.readChar());

        // set the file pointer at 0 position
        raf.seek(0);

        // write a char at the start
        raf.writeChar(c);

        // set the file pointer at 0 position
        raf.seek(0);

        System.out.println(raf.readChar());
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}