OpenJDK Isn't Working Properly? Help?

view story

http://forums.fedoraforum.org – Hello everyone. I am new to Fedora; in fact I just installed it. I was running Ubuntu and Linux Mint on my machine for awhile, and decided I would give Fedora try. I like it a lot so far. However, I have an issue. One of the few games I play is Minecraft, and because it is coded in Java, it can run on all platforms. So, I decided to install openJDK 7 via the "Add/Remove Programs." However, when I try to launch Minecraft all I have available to me is IcedTea Java Webstart, not Java Runtime Enviornment like I need. I have tried installing both Sun Java 7 and openJDK 7, but to no a (HowTos)