Send mail using java (Exchange Server)

External jar needs to be added is "mail.jar".
========================================================
package com.myExample.mail;

public class Client {

      public static void main(String[] args) {

            String To = "abc1@xyz.com; abc2@xyz.com ; abc3@xyz.com ";

            String CC = " abc4@xyz.com; abc5@xyz.com ; abc6@xyz.com ";

            String BCC = "abc@xyz.com";

            String From = "myExmp@ddd.com";

            String Subject = "Test subject line.";

            String Body = "Test mail Body.";

            MailExample obj = new MailExample();

            obj.sendAMail(To, CC, BCC, From, Body, Subject);

      }

}

=========================================================

package com.myExample.mail;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Iterator;

import java.util.List;

import java.util.Properties;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMessage.RecipientType;

public class MailExample {

                public void sendAMail(String To, String CC, String BCC, String From,

                                                String Body, String Subject) {

                                try {

                                                Sendmail(To, CC, BCC, From, Body, Subject);

                                } catch (MessagingException ex) {

                                                Logger.getLogger(MailExample.class.getName()).log(Level.SEVERE,

                                                                                null, ex);

                                }

                }

                public void Sendmail(String To, String CC, String BCC, String From,

                                                String Body, String Subject) throws MessagingException {

                                Message message = new MimeMessage(getSession());

                                if (To != null && To.trim().length() > 0) {

                                                //Separate "To" mail address based on ";" separator and set it into mail "To" address.

                                                Iterator<String> ToIterator=this.getAddressList(To).iterator();

                                                while(ToIterator.hasNext()){

                                                                message.addRecipient(RecipientType.TO, new InternetAddress(ToIterator.next()));

                                                }

                                               

                                                if (CC != null && CC.trim().length() > 0){

                                                                //Separate "CC" mail address based on ";" separator and set it into mail "CC" address.

                                                                Iterator<String> CCIterator=this.getAddressList(CC).iterator();

                                                                while(CCIterator.hasNext()){

                                                                                message.addRecipient(RecipientType.CC, new InternetAddress(CCIterator.next()));

                                                                }

                                                }

                                                               

                                                if (BCC != null && BCC.trim().length() > 0){

                                                                //Separate "BCC" mail address based on ";" separator and set it into mail "BCC" address.

                                                                Iterator<String> BCCIterator=this.getAddressList(BCC).iterator();

                                                                while(BCCIterator.hasNext()){

                                                                                message.addRecipient(RecipientType.BCC, new InternetAddress(BCCIterator.next()));

                                                                }

                                                }

                                               

                                                if (From != null && From.trim().length() > 0)

                                                                message.addFrom(new InternetAddress[] { new InternetAddress(

                                                                                                From) });

                                                message.setSubject(Subject);

                                                message.setContent(Body, "text/plain");

                                }

                                System.out.println("Sending mail .............................");

                                Transport.send(message);

                                System.out.println("Mail sent .............................");

                }

                private Session getSession() {

                                Authenticator authenticator = new Authenticator();

                                Properties properties = new Properties();

                                properties.setProperty("mail.smtp.submitter", authenticator

                                                                .getPasswordAuthentication().getUserName());

                                properties.setProperty("mail.smtp.auth", "true");

                                properties.setProperty("mail.smtp.host", "172.16.16.99");

                                properties.setProperty("mail.smtp.port", "25");

                                return Session.getInstance(properties, authenticator);

                }

                private class Authenticator extends javax.mail.Authenticator {

                                private PasswordAuthentication authentication;

                                public Authenticator() {

                                                String username = "username";

                                                String password = password";

                                                authentication = new PasswordAuthentication(username, password);

                                }

                                protected PasswordAuthentication getPasswordAuthentication() {

                                                return authentication;

                                }

                }

               

                //Separate string using ';' separator.

                private List<String> getAddressList(String address){

                                String mailAddress=address;

                                List<String> mailAddressList = null;

                                if(mailAddress != null && mailAddress.trim().length()>0){

                                                mailAddressList = new ArrayList<String>();

                                                if(mailAddress.contains(";")){

                                                                mailAddressList=Arrays.asList(mailAddress.split(";"));

                                                }else{

                                                                mailAddressList.add(mailAddress.trim());

                                                }

                                }

                                return mailAddressList;

                }

}

Print a file using java

/**
 * @author KushalP
 * www.sanjaal.com/java
 * Last Modified On 2009-05-19
 */


import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.print.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.text.*;

/**
 * Using JAVA to print simple <span class="IL_AD" id="IL_AD3">text file</span> to a printer
 */

public class PrintFileToPrinter implements Printable {

    static AttributedString myStyledText = null;

    public static void main(String args[]) {
        /**Location of a file to print**/
        String fileName = "C:\\temp\\abc.txt";

        /**Read the text content from this location **/
        String mText = readContentFromFileToPrint(fileName);

        /**Create an AttributedString object from the text read*/
        myStyledText = new AttributedString(mText);

        printToPrinter();

    }

    /**
     * This method reads the content of a text file.
     * The location of the file is provided in the parameter
     */
    private static String readContentFromFileToPrint(String fileName) {
        String dataToPrint = "";

        try {
            BufferedReader input = new BufferedReader(new FileReader(fileName));
            String line = "";
            /**Read the file and populate the data**/
            while ((line = input.readLine()) != null) {
                dataToPrint += line + "\n";
            }
        } catch (Exception e) {
            return dataToPrint;
        }
        return dataToPrint;
    }

    /**
     * Printing the data to a printer.
     * Initialization done in this method.
     */
    public static void printToPrinter() {
        /**
         * Get a Printer Job
         */
        PrinterJob printerJob = PrinterJob.getPrinterJob();

        /**
         * <span class="IL_AD" id="IL_AD5">Create a book</span>. A book contains a pair of page painters
         * called <span class="IL_AD" id="IL_AD6">printables</span>. Also you have different pageformats.
         */
        Book book = new Book();
        /**
         * Append the Printable Object (this one itself, as it
         * implements a printable interface) and the page format.
         */
        book.append(new PrintFileToPrinter(), new PageFormat());
        /**
         * Set the object to be printed (the Book) into the PrinterJob. Doing this
         * before bringing up the print dialog allows the print dialog to correctly
         * display the page range to be printed and to dissallow any print settings not
         * appropriate for the pages to be printed.
         */
        printerJob.setPageable(book);

        /**
         * Calling the printDialog will pop up the Printing Dialog.
         * If you want to print without user <span class="IL_AD" id="IL_AD7">confirmation</span>, you can directly call printerJob.print()
         *
         * doPrint will be false, if the user cancels the print operation.
         */
        boolean doPrint = printerJob.printDialog();

        if (doPrint) {
            try {
                printerJob.print();
            } catch (PrinterException ex) {
                System.err.println("Error occurred while trying to Print: "
                        + ex);
            }
        }
    }

    /**
     * This method comes from the Printable interface.
     * The method implementation in this class
     * prints a page of text.
     */
    public int print(Graphics g, PageFormat format, int pageIndex) {

        Graphics2D graphics2d = (Graphics2D) g;
        /**
         * Move the origin from the corner of the Paper to the corner of the imageable
         * area.
         */
        graphics2d.translate(format.getImageableX(), format.getImageableY());

        /** Setting the text color**/
        graphics2d.setPaint(Color.black);
        /**
         * Use a LineBreakMeasurer instance to break our text into lines that fit the
         * imageable area of the page.
         */
        Point2D.Float pen = new Point2D.Float();
        AttributedCharacterIterator charIterator = myStyledText.getIterator();
        LineBreakMeasurer measurer = new LineBreakMeasurer(charIterator,
                graphics2d.getFontRenderContext());
        float wrappingWidth = (float) format.getImageableWidth();
        while (measurer.getPosition() < charIterator.getEndIndex()) {
            TextLayout layout = measurer.nextLayout(wrappingWidth);
            pen.y += layout.getAscent();
            float dx = layout.isLeftToRight() ? 0 : (wrappingWidth - layout
                    .getAdvance());
            layout.draw(graphics2d, pen.x + dx, pen.y);
            pen.y += layout.getDescent() + layout.getLeading();
        }
        return Printable.PAGE_EXISTS;
    }

}

JDBC example

private static Connection connectToDatabaseOrDie()
{
Connection conn = null;
try
{
Class.forName("org.postgresql.Driver");
String url = "jdbc:postgresql://localhost/abc";
conn = DriverManager.getConnection(url, "userName", "password");
}
catch (ClassNotFoundException e)
{
e.printStackTrace();
System.exit(1);
}
catch (SQLException e)
{
e.printStackTrace();
System.exit(2);
}
return conn;
}

SimpleDateFormat.......list

http://docs.oracle.com/javase/1.3/docs/api/java/text/SimpleDateFormat.html

Symbol   Meaning                 Presentation        Example 
------   -------                 ------------        ------- 
G        era designator          (Text)              AD 
y        year                    (Number)            1996 
M        month in year           (Text & Number)     July & 07 
d        day in month            (Number)            10 
h        hour in am/pm (1~12)    (Number)            12 
H        hour in day (0~23)      (Number)            0 
m        minute in hour          (Number)            30 
s        second in minute        (Number)            55 
S        millisecond             (Number)            978 
E        day in week             (Text)              Tuesday 
D        day in year             (Number)            189 
F        day of week in month    (Number)            2 (2nd Wed in July) 
w        week in year            (Number)            27 
W        week in month           (Number)            2 
a        am/pm marker            (Text)              PM 
k        hour in day (1~24)      (Number)            24 
K        hour in am/pm (0~11)    (Number)            0 
z        time zone               (Text)              Pacific Standard Time 
'        escape for text         (Delimiter) 
''       single quote            (Literal)           '

Date Format example in JAVA

//Program to use date format …………………

package Time;

import java.text.SimpleDateFormat;
import java.util.Date;

public class DateTimeExample
{
public static void main(String[] args)
{
Date date = new Date();
System.out.println("Date is (with out using any date formate ==================> "+date);

SimpleDateFormat simpleDateFormate = new SimpleDateFormat("E dd.MM.yyyy 'at' hh:mm:ssa zzz");
System.out.println("SimpleDateFormat1 is (\"E dd.MM.yyyy 'at' hh:mm:ssa zzz\")===> "+simpleDateFormate.format(date));

simpleDateFormate = new SimpleDateFormat("E d.MM.y 'at' hh:mm:ssa zzz");
System.out.println("SimpleDateFormat2 is (\"E d.MM.y 'at' hh:mm:ssa zzz\") ======> "+simpleDateFormate.format(date));

simpleDateFormate = new SimpleDateFormat("EEEE dd.MMMM.yyyy 'at' hh:mm:ssa");
System.out.println("SimpleDateFormat3 is (\"EEEE dd.MMMM.yyyy 'at' hh:mm:ssa\") => "+simpleDateFormate.format(date));
}
}

OUTPUT =>
Date is (with out using any date formate ==================> Tue Jan 10 13:13:10 IST 2012
SimpleDateFormat1 is ("E dd.MM.yyyy 'at' hh:mm:ssa zzz")===> Tue 10.01.2012 at 01:13:10PM IST
SimpleDateFormat2 is ("E d.MM.y 'at' hh:mm:ssa zzz") ======> Tue 10.01.12 at 01:13:10PM IST
SimpleDateFormat3 is ("EEEE dd.MMMM.yyyy 'at' hh:mm:ssa") => Tuesday 10.January.2012 at 01:13:10PM

Class Diagram LINK

http://www.ibm.com/developerworks/rational/library/content/RationalEdge/sep04/bell/

Conditional Operator Example in java.

package ConditionalOperatorExample;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class ConditionalOperatorExample
{
public static void main(String[] arun) throws IOException
{
String s1,s2,s3;
int i1,i2,i3,Max,Min;

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter first number; ");
s1 = br.readLine();

System.out.println("Enter second number: ");
s2 = br.readLine();

System.out.println("Enter third number: ");
s3 = br.readLine();

i1 = Integer.valueOf(s1).intValue();
i2 = Integer.valueOf(s2).intValue();
i3 = Integer.valueOf(s3).intValue();

Max = (i1>i2)?((i1>i3)?i1:i3):((i2>i3)?i2:i3);
System.out.println("Maximum number is "+Max);

Min = (i1 System.out.println("Minimum number is "+Min);
}
}


Output =>
Enter first number;
25
Enter second number:
3
Enter third number:
64
Maximum number is 64
Minimum number is 3