Visit java download page Click here
http://www.oracle.com/technetwork/java/javase/downloads/index.html
Click on Java download icon
Click on the words Accept License Agreement
Select the product that you want to download and click on it. Here you choose Jdk-8-u73-linux-x64.rpm
Look down at the right corner of your browser, right-click on it and select pause
Enter download section, right-click on the paused link and select 'copy link address'
Paste the copied link on wget command to download
When Download is completed, use ls command and there will come a list named jdk-8u73-linux-x64.rpm?AuthParam=1457880577_..
To solve this problem, you just rename the file extension into .rpm and then you can insatll as usual
Use the command # mv <old file name> <new file name>
Use the command # rpm -Uvh <file.rpm> to install
# rpm -Uvh jdk-8u73-linux-x64.rpm
Test the result with the command # java -version