Thanks for posting your question. I'm more than happy to assist you today. While we do not offer support, depending on your needs Java/JRE can be used on a VPS or dedicated package. If you are looking to use Tomcat/JSP you will need to be on a VPS1024 plan or higher. Please keep in mind, we do not offer technical support for these services.
If you need further assistance please feel free to contact us.
I have a follow up question. I am going to need to implement a java web app so I will need the ability to upload the .war file. How exactly do I go about doing this? I currently have a domain and would like to access the web app like such: www.mydomainname/webapp.