Does the hotel in Germany have a washing machine and dryer? I'll probably need to do laundry after being away for so many days ?

We have lived in many places without washing machines, only laundry rooms, clothes racks with drying functions, and laundry room prices of tens of euros per piece of clothing.

Apart from apartments and homestays, there won't be a washing machine. I usually live in homestays or apartments now.

The hotel doesn't have free washing machines and dryers. Normal homestays usually have them.

Some hotels have dryers. I have encountered them. Homestays have never seen dryers. Hotels don't have washing machines, but they provide laundry services, of course for a fee. You can also wash clothes outside the hotel, the kind that takes coins.

Hotels generally have it, but there may be a charge. For homestays, you can check the description to see if it is included.

No, but clothes dry very quickly after washing.

There will be those types of clothes racks that can be heated.

There is basically nothing.

Homestay might have