Example usage for java.io PrintWriter PrintWriter

Introduction

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

Prototype

public PrintWriter(File file) throws FileNotFoundException

Source Link

Document

Creates a new PrintWriter, without automatic line flushing, with the specified file.

Usage

From source file:InputOutputDemo.java

public static void main(String[] a) throws Exception {
    PrintWriter pwr = new PrintWriter(new FileWriter("java2s.txt"));
    pwr.print(4711);/* ww  w  .  ja  va 2s. c  o  m*/
    pwr.print(' ');
    pwr.print("Java Source and Support at www.java2s.com");
    pwr.close();

    StreamTokenizer stok = new StreamTokenizer(new FileReader("java2s.txt"));
    int tok = stok.nextToken();
    while (tok != StreamTokenizer.TT_EOF) {
        System.out.println(stok.sval);
        tok = stok.nextToken();
    }
}

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";
    try {//from   www.  j  a  v  a2  s . co m

        // create a new stream at specified file
        PrintWriter pw = new PrintWriter(System.out);

        // write the string in the file
        pw.write(s);

        // flush the writer
        pw.flush();

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

From source file:Main.java

public static void main(String[] args) {
    Object obj1 = "Object";
    Object obj2 = 2;//  w w w  . j a v a  2s. com
    Date date = new Date();
    try {
        PrintWriter pw = new PrintWriter(System.out);

        // print object
        pw.print(obj1);

        // print another object
        pw.print(obj2);

        // print a date (it is an object)
        pw.print(date);

        pw.flush();

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

From source file:Main.java

public static void main(String[] args) {
    Object obj1 = "Object";
    Object obj2 = 2;// w ww. j a va 2  s.c  o m
    Date date = new Date();
    try {

        PrintWriter pw = new PrintWriter(System.out);

        // print object
        pw.println(obj1);

        // print another object
        pw.println(obj2);

        // print a date (it is an object)
        pw.print(date);

        // flush the writer
        pw.flush();

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

From source file:MainClass.java

public static void main(String[] args) {
    try {/*from www  . j  a  v  a 2  s . c o  m*/
        FileWriter fw = new FileWriter("LPT1:");

        PrintWriter pw = new PrintWriter(fw);
        String s = "www.java2s.com";

        int i, len = s.length();

        for (i = 0; len > 80; i += 80) {
            pw.print(s.substring(i, i + 80));
            pw.print("\r\n");
            len -= 80;
        }

        if (len > 0) {
            pw.print(s.substring(i));
            pw.print("\r\n");
        }

        pw.close();
    } catch (IOException e) {
        System.out.println(e);
    }
}

From source file:Main.java

public static void main(String args[]) {
    try {//from  w w w  .j  av  a 2  s.  c  om
        throw new Exception("for no reason!");
    } catch (Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        System.out.println(sw.toString().toUpperCase());
    }
}

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();//from   ww  w  . j  av  a  2s.co  m
    buffer.close();
    file.close();
}

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();//  www  . j a va 2  s.c  o  m
    if (pw.checkError())
        System.out.println("I/O error occurred.");
}

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);//  ww w . j a v  a  2 s  . c om
    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("firstName=Joe");
    out.println("lastName=Average");
    out.close();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String filename = "fileName.txt";
    String[] linesToWrite = new String[] { "a", "b" };
    boolean appendToFile = true;

    PrintWriter pw = null;/*from  www  .j a va  2s.c o  m*/
    if (appendToFile) {
        pw = new PrintWriter(new FileWriter(filename, true));
    } else {
        pw = new PrintWriter(new FileWriter(filename));
        // pw = new PrintWriter(new FileWriter(filename, false));
    }
    for (int i = 0; i < linesToWrite.length; i++) {
        pw.println(linesToWrite[i]);
    }
    pw.flush();
    pw.close();
}