Example usage for java.io PrintWriter println

Introduction

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

Prototype

public void println(Object x)

Source Link

Document

Prints an Object and then terminates the line.

Usage

From source file:Main.java

public static void main(String[] args) {
    long l = 1234567890L;

    PrintWriter pw = new PrintWriter(System.out);

    // print long
    pw.println(l);
    pw.println(987654321L);// ww w.java2  s .com

    // flush the writer
    pw.flush();

}

From source file:Main.java

public static void main(String[] args) {
    float f = 123.456f;

    PrintWriter pw = new PrintWriter(System.out);

    // print float
    pw.println(f);
    pw.println(987.765f);// w  w  w  .j  a  v  a2s  .  c o  m

    // flush the writer
    pw.flush();

}

From source file:Main.java

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

    PrintWriter pw = new PrintWriter(System.out);

    // print string
    pw.println(s);
    pw.println("World");

    // flush the writer
    pw.flush();/*from w  w  w.  j av a2s  .  c  o m*/

}

From source file:Main.java

public static void main(String[] args) {
    char c = 'a';

    PrintWriter pw = new PrintWriter(System.out);

    // print string
    pw.println(c);
    pw.println('b');

    // flush the writer
    pw.flush();/*from   w  ww. j a  v  a2 s .c o  m*/

}

From source file:Main.java

public static void main(String[] args) {
    double d = 123.456;

    PrintWriter pw = new PrintWriter(System.out);

    // print doubles
    pw.println(d);
    pw.println(987.765);/*from   w w w.  j a  v a  2s .  c o m*/

    // flush the writer
    pw.flush();

}

From source file:Main.java

public static void main(String[] args) {
    char[] c1 = { 'a', 'b', 'c', 'd', 'e' };
    char[] c2 = { 'f', 'g', 'h', 'i', 'j' };

    PrintWriter pw = new PrintWriter(System.out);

    // print char array
    pw.println(c1);
    pw.println(c2);/*from   w  w  w .  j av a  2s. c  om*/

    // flush the writer
    pw.flush();

}

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());/*from w  ww .  j a v a  2s .c  om*/

    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:Main.java

public static void main(String[] args) {
    boolean bool = false;
    try {/*from   ww w  .j a  v  a 2 s  . c o  m*/

        PrintWriter pw = new PrintWriter(System.out);

        // print boolean
        pw.println(bool);
        pw.println(true);

        // flush the writer
        pw.flush();

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

From source file:PrintWriterDemo.java

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

    PrintWriter pw = new PrintWriter(System.out);

    // Experiment with some methods
    pw.println(true);
    pw.println('A');
    pw.println(500);/* ww w  .j  av  a2s  .c o m*/
    pw.println(40000L);
    pw.println(45.67f);
    pw.println(45.67);
    pw.println("Hello");
    pw.println(new Integer("99"));

    // Close print writer
    pw.close();
}

From source file:Main.java

public static void main(String[] args) {
    Object obj1 = "Object";
    Object obj2 = 2;//from w  ww.  jav  a  2 s  .  c om
    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();
    }
}