Example usage for java.io IOException printStackTrace

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) {

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    PushbackReader pr = new PushbackReader(sr, 20);

    try {//from  w  w w.  j  ava2 s  .co m
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
        }
        System.out.println("" + pr.markSupported());

        pr.close();

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

From source file:Main.java

public static void main(String[] args) {
    try {/*from   w  w  w.j  a  v a  2 s . c o m*/
        byte[] b = { 1, 2, 3, 4, 5, 6 };

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

        // write 2 bytes in the file
        raf.write(b, 2, 2);

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

        // print the two bytes we wrote
        System.out.println(raf.readByte());
        System.out.println(raf.readByte());
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] args) {
    File file = new File(args[0]);
    if (!file.exists()) {
        System.out.println(args[0] + " does not exist.");
        return;/*from   ww  w. ja  v  a  2s.c  o  m*/
    }
    if (!(file.isFile() && file.canRead())) {
        System.out.println(file.getName() + " cannot be read from.");
        return;
    }
    try {
        FileInputStream fis = new FileInputStream(file);
        char current;
        while (fis.available() > 0) {
            current = (char) fis.read();
            System.out.print(current);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    PushbackReader pr = new PushbackReader(sr, 20);

    char cbuf[] = new char[5];

    try {//  w w w . ja v a2s. co  m
        System.out.println(pr.read(cbuf));

        System.out.println(cbuf);

        pr.close();

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

From source file:Main.java

public static void main(String[] args) {

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    // create a new PushBack reader based on our string reader
    PushbackReader pr = new PushbackReader(sr, 20);
    try {/*from ww w.ja va2  s.co  m*/
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
        }

        pr.close();

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

From source file:Main.java

public static void main(String[] args) {
    PipedWriter writer = new PipedWriter();
    PipedReader reader = new PipedReader();

    try {//from  ww  w.  ja  v a  2s  .c  o  m
        // connect the reader and the writer
        reader.connect(writer);

        writer.write(70);
        writer.write(71);

        // read what we wrote
        for (int i = 0; i < 2; i++) {
            System.out.println((char) reader.read());
        }

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

}

From source file:Main.java

public static void main(String[] args) {
    Path startDir = Paths.get("");
    FileVisitor<Path> visitor = getFileVisitor();
    try {/*from   w w  w .ja  va  2s . c  o m*/
        Files.walkFileTree(startDir, visitor);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    try {//  ww w  . j a v  a2  s.  c o m
        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        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 channel of the file
        System.out.println(raf.getChannel());

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

From source file:Main.java

public static void main(String[] args) {
    File outputFile = new File("test.txt");

    try (FileChannel fileChannel = new FileOutputStream(outputFile).getChannel()) {
        String text = getText();/*from   w  w  w .  ja va2  s. c  om*/
        byte[] byteData = text.toString().getBytes("UTF-8");
        ByteBuffer buffer = ByteBuffer.wrap(byteData);
        fileChannel.write(buffer);
    } catch (IOException e1) {
        e1.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    char[] c = { 'j', 'a', 'v', 'a', '2', 's', '.', 'c', 'o', 'm' };

    Writer writer = new PrintWriter(System.out);

    try {/* w w w  .  j  av a 2 s . c  om*/
        // write a portion of a char array
        writer.write(c, 0, 5);

        // flush the writer
        writer.flush();

        // write another portion of a char array
        writer.write(c, 5, 5);

        // flush the stream again
        writer.close();

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