Korean has their own, SCIENTIFICLY DERIVED alphabet. Its was developed only like 500 years ago. At the time everyone spoke Korean, but if they wanted to write stuff they had to learn Chinese. So the king at the time created an alphabet so simple that you could learn it in three mornings, and the people could use it to write the sounds they made were they spoke. There's something like 28 characters or something, I dunno. Anyways, it looks totally different than written Chinese or Japanese.
In the end, the alphabet is the easy part of Korean. It doesn't take much to learn at all. Koreans problem is its grammar, because its the devil language.