FLAMES- IN JAVA APPLET

Hi all its curious to know about relationship and its fun to play with flames..

here i written code for finding the result in a single click...no need to compute in a paper to find..
Click here to Play with FLAMES.

copy the files to a directory say c:/

go to Command prompt

change directory to c:\

Type the following

cd c:\
appletviewer flames.java

Download the files given below...
Click here to download flames.java

Click here to download flames.class

or

if u want to simply view applet in a browser instead of command prompt open the following webpage.

Note:Your browser must have JRE.

Click here to see Demo

MYSQL connectivity Java

// java bean for database connection to MySQL

package db;

import java.sql.*;

public class DbConnect {

private Connection conn = null;

public Connection OracleConnect() {

try {

Class.forName("com.mysql.jdbc.Driver");

conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");

System.out.println("connected");

//return conn;

} catch (Exception e) {

//in case no password error catching error and try again.

try{

conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "");

}

catch (Exception ee) {

System.out.println("Error in Database Connection2"+ee.getMessage());

}

System.out.println("Error in Database Connection1"+e.getMessage());

}

finally{

return (conn);

}

}

protected void CloseConnection() {

try {

conn.close();

} catch (SQLException ex) {

System.out.println(ex.getMessage());

}

}

}

Send Mail in Java

package mail;

import java.util.Properties;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

public class SendMail {

String MAIL_SERVER = "smtp.gmail.com";

public void Sendmail(String USERNAME,String PASSWORD,String fromAddress,String toAddress,String subject,String message) {

try {

Properties properties = System.getProperties();

properties.put("mail.smtps.host", MAIL_SERVER);

properties.put("mail.smtps.auth", "true");

Session session = Session.getInstance(properties);

MimeMessage msg = new MimeMessage(session);

msg.setFrom(new InternetAddress(fromAddress));

msg.addRecipients(Message.RecipientType.TO, toAddress);

msg.setSubject(subject);

msg.setText(message);

Transport tr = session.getTransport("smtps");

tr.connect(MAIL_SERVER, USERNAME, PASSWORD);

tr.sendMessage(msg, msg.getAllRecipients());

tr.close();

} catch (AddressException ex) {

System.out.println(ex.getMessage());

}

catch (MessagingException ex) {

System.out.println(ex.getMessage());

}

}

public static void main(String[] args){

String USERNAME="xxxx@gmail.com";

String PASSWORD="your password";

String fromAddress="xxx@gmail.com";

String toAddress="toaddress";

String subject="your subject";

String message="your message";

s.Sendmail(USERNAME, PASSWORD, fromAddress, toAddress, subject, message);

}

}

click here to download mail.jar and SendMail Java bean

Simple Encryptor

" An encryptor converts meaningful information into gibbrish form so that it is safe from the eyes of unauthorized people "

import javax.swing.*;
import java.io.*;
public class encrypt
{
public static void main(String arg[]) throws FileNotFoundException, IOException
{
String choice = JOptionPane.showInputDialog("Encrypt(E)/Decrypt(D)");
String file= JOptionPane.showInputDialog("File Name:");
File usrfile = new File(file);
File encfile = new File("enc.txt");
encfile.createNewFile();
BufferedWriter userStream = new BufferedWriter( new FileWriter(encfile));
try
{
PushbackReader in = new PushbackReader( new BufferedReader ( new FileReader(usrfile)));
int c=-4,i=0,temp=0;
while(c!=-1)
{
c=in.read();
temp=c;
if(c==-1)break;
if(choice.equals("e")||choice.equals("E"))
{
if(temp%2==0)temp+=9;
else temp-=7;
}
else if(choice.equals("d")||choice.equals("D"))
{
if(temp%2!=0)temp-=9;
else temp+=7;
}
userStream.write(String.valueOf((char)temp));
}
in.close();
userStream.close();
usrfile.delete();
File usrfile2 = new File(file);
encfile.renameTo(usrfile2);
}
catch(IOException e)
{
JOptionPane.showMessageDialog(null,e);
}
System.exit(0);
}
}

Execute the above program.
Encrypt(E)/Decrypt(D)

File Name:

Sample File

Encrypted File

To get back the non-gibberish form or decrypted text, execute the code once again and enter d in the first window and file name in the following window.
Note:

• This code can be used to encrypt/decrypt only files encoded in Text Format
• The file to be encrypted has to be in the same folder from which the code is executed.
• Sound knowledge of Java is required to understand and successfully execute the above code.