There are several ways to say "hello" in German. The most common way is "Hallo," which is pronounced "hah-loh." Other ways to say hello include "Guten Morgen" (good morning), "Guten Tag" (good day), and "Guten Abend" (good evening).
The German word for "what's up" is "Wie geht's?" It is pronounced "vee gayt's?"