w3hJava

Sending mails or messaging from Java is never been a tough process but still most of us has to write Java Messaging API or Java Mail API to do this, which is a cumbersome process in itself.

JDK6 came with a new Desktop class in which you can give user the option to work on the default mail client, do whatever you want to do and after closing the default client the control will go back to the java code. Here is a small code to do that:

import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;

public class DefaultMail {
public static void main(String[] a)throws Exception {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}

desktop.mail(”mailto”, “vaibhav.choudhary@sun.com”, null);
}
}

The idea is clean I guess, the default client will give more option than Java mail API or anything else. Desktop class give lot more other functionality as well, which we will discuss later.

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Last Friday, I have given a talk on Java SE 6u10 features in BOJUG meet. Here is the presentation.

These slides basically talks about Java SE 6u10 features. Some of them are cool like

-> Next Generation Plugin where you can drap plugin outside the browser.

-> Kernel JRE. Download small JRE.

-> Nimbus Look And Feel

-> New Applet feature which we talk in prev. blog.

And many more.

Please provide your comment on the presentation.

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Take care of disk space when you are writing a big program :). Use JDK 6 features:

import java.io.File;

public class DiskSpaceCheck {
public DiskSpaceCheck() {
File file = new File("E:");
System.out.println("E:");
System.out.println("Total:  " + file.getTotalSpace());
System.out.println("Free:   " + file.getFreeSpace());
System.out.println("Usable: " + file.getUsableSpace());

file = new File("E://movie");
System.out.println("E://movie");
System.out.println("Total:  " + file.getTotalSpace());
System.out.println("Free:   " + file.getFreeSpace());
System.out.println("Usable: " + file.getUsableSpace());

file = new File("/");
System.out.println("n/");
System.out.println("Total:  " + file.getTotalSpace());
System.out.println("Free:   " + file.getFreeSpace());
System.out.println("Usable: " + file.getUsableSpace());
}

public static void main(String[] args) {
new DiskSpaceCheck();
}
}

I was actually very suprised that why this feature came so late.

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