How to make your computer to run Java programs.Or how to install JDK(Java Development tool).

First of all you have to download the JDK file for your computer.
For that yovisit(http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html)

Download JDK as per your computer requirements.

Execute the that file. 

Now your Computer has installed with JVM but it not work properly in all Files and Folder. So you have to set Global path for JVM so that it can execute each and every java programs from every where.

For that you have to follow these steps

Step 1:-   Goto C:\programs files\java\JDK\bin
Step 2:- Copy the address of bin folder.
Step 3:- Open Computer properties.

Step 4:- Select Advance System Setting

Step 5:- Select Environment Variables

Step 6:- A new Window will open like as

Step 7:- Select path in given list and click on edit button 

Step 8:- Paste the copied address there and save or apply all the changes.

Here you have done.

To check whether it is working or not goto command prompt and type javac and press enter.

If it list all function of java, it is working properly.