How to install JDK and configure environment variable

1.  Download JDK from the Oracle site
2.  Double click on the downloaded exe file and install it to your system.
3.  Envirnment variable setting .
4. Right click on my computer and select properties.

   5. Click on Advanced system setting.

   6. Click on Environment Variables.

   7. Add new user variable with name is path and value is where your jdk's bin directory .

   8. After setting environment variable start command prompt and run javac command if you see

       following output then you have successfully set the environment variable

How to develop a hello world program click here..