No. However, there are other sites that are disguised to look like the RuneScape website. They can try to infect you.
Usually you get links, just make sure if it Says "Click Here" or something like that to do with runescape, make sure you look at the bottom right of the screen - it will show where the link reads, if it don't lead to runescape.com (without spelling mistakes) then it's an attack site. in other words be on the lookout for spelling mistakes in the link.
Java may have an effect as well.
If it did 150,000,000 people wouldn't play it dude.
Speekonia does not give your computer a virus and it is designed in a way that will not give your computer any malware.
Yes. It has some downloads to it that will give a virus to your computer.
No, World of Warcraft will not give your computer a virus.
Some might.
No, Zune will not give your computer a virus.
no, they won't give you virus
Probably.
No, the official Runescape client is not a virus.
No.
No.
No