Install java and configure in computer

To install java u need to download jdk1.xxxxxx from oracle website

Install java
Click on next
Click on next
Click on finish

Then go my computer properties or just type in run control system
Click on advanced system settings
Click on environment variable
Click on path at the end of semicolon
Copy path of jdk i.e.
For 32 bit system
C:\program files\java\jdk1.xxxx\bin
For 64 bit system
C:\program files\java\jdk1.xxxx\bin

Add semicolon  at the end

Copy path of jre i.e.
For 32 or 64 bit system
C:\program files\java\jre1.xxxx\bin

Add semicolon at the end.
Click on ok
Click on ok