Install Java on Chromebook

    

 press CTRL+ALT+F2 to enter the Developer shell.
 Enter "chronos" as username and "password" or "facepunch" as password

Then enter the following command one by one.....

wget http://goo.gl/pgkbv;sudo sh pgkbv 

wget http://goo.gl/wnltv;sudo sh wnltv

wget http://goo.gl/vitkq;sudo sh vitkq