Setting up JAVA SDK, and running first Hello World Program

I'm new to JAVA, and want to setup JAVA Compiler in my Laptop, but my seniors preferred me to use JAVA using Notepad, instead of using BlueJ or any other software. So I agree with them and Downloaded JAVA SDK 7, but when I try to run my first program (Which is Hello World!), I don't know why but that didn't work. Its not the JAVA syntax related error, but problem related to setting up compilet. Because it is saying 'javac' is not recognized as an internal or external command, operable program or batch file. After a little research I foud solution. This Tutorial Will guide you to how to setup JAVA Compiler, and run your first Hello World Program.

Internet Explorer 10 Windows 8 Tile is replaced by Desktop IE10, get back

On my laptop I am permanently using Windows 8 Release Preview, I also found few bugs, and I reported that. Since I've mostly all browser installed in my system (Maxthon, Google Chrome, Mozilla Firefox, Opera). I've just noticed after setting my browser Google Chrome as default, I lost my Windows 8 Internet Explorer 10 (formerly Metro Internet Explorer 10). And this is how I just recover it, it's a simple process.

Windows 8 Network Data Counter

It's a new feature I just discovered in Windows 8 Release Preview, that unlike Windows previous releases it also includes a Bandwidth Counter by default. I've few Wi-Fi routers set-up in my Hostel, and mostly I uses two, I am to check which Wi-Fi router has been transferred how much data. Read more to know how to check it.

Change Windows Explorer Taskbar Pin Default folder to Computer

Default action for Windows Explorer Pin under Taskbar is set to Libraries, which is kind of unusable. If I want to start Computer, either I have to Go to Start Menu and select Computer, or I have to go to Desktop, and launch Computer from there in Windows 7. But in Windows 8, since there is no Start Menu, I've to go to Desktop, and launch Computer from there.

With this small process, you can change your Windows Explorer Pin/Icon under Taskbar to Computer, Control Panel, Documents, C: Drive, D: Drive or whatever you want.

Retrieve Nokia Mobile Security Code [No External Device Required] [Verified]

With this trick you can verify Nokia Mobile Phone Security Code, works fine. I've checked myself on Nokia 5130 XpressMusic and Nokia X2-00, and it works fine. You can easily retrieve your Nokia Mobile Security Code (Master Code). Few days ago, I'd changed my Nokia 5130 XpressMusic Security Code, because I don't use that feature (security lock)so unfortunately I forgot that Security Code, After a lot of research, trying lots of trick, spending few hours, I found this method, and it works absolutely fine!!