It depends on which Jews, which Arabs, and which setting.
By conjuring up a "common enemy;" an "enemy" against which Germany's efforts would "profitably" be devoted. This despite the fact that the Jews were not combatants.
No, not all Germans hates the Jews. However, the particular group of Germans that hates the Jews were called the Nazi Germans.
This depends on who you ask, but the majority of both Jews and Arabs reject the assertion that their conflict is currently based on the rivalry between the siblings Isaac and Ishmael. To see the list of grievances for which they do fight, see the related question.
No. Not all Germans are Jews and not all Jews are German. But there are German Jews, as well as Jews with many other nationalities.
yes he hates arabs and jews
Perhaps, but the rivalry seems to be one-sided. Judaism is not terribly concerned about the Arabs and is very internally focused. Arabs, however, often discuss Jews and blame many of their problems on the Jews.
Tradition states that Arabs and Jews are both descended from Abraham. The Arabs are from Ishmael, and the Jews are from Isaac (through his son Jacob). Both Ishmael and Isaac were sons of Abraham (Genesis ch.21 and ch.25). Arabs as well as Jews have this tradition. See also:More about Abraham and Isaac
If you mean why do they fight. The reason is they are fighting over dirt. Abraham was given all of Israel and alot more if you look at what the bible says. The Arabs dispute the fact that the promise went to Isaac and not to Ishmael. Therefore the Jews will fight to the death. Using whatever means necessary to keep their land and the rest of the world should stay out of it.
Arabs are descended from Abraham just as Jews are. After that initial connection, Jews (Israelites) and Arabs have been distict peoples with separate languages and religions. Jews are descended from Isaac (son of Abraham), while Arabs are descended from Ishmael (son of Abraham). See Genesis ch.16, 17 and 21.
The Germans worked the Jews to death by having them as sleves
Arabs and Jews are in conflict over the territory of the former British Mandate of Palestine in the Middle East.