Here are some things you need to know about table manners when you visit Japan.First of all,you should know how to use chopsticks very well.
It's polite to make noise when you are eating.,beacuse when you are eating,make noise,It shows that you like the food.
And some chopstick rules:It's rude to stick your chopsticks into your food.And you shouldn't point at anyone with chopsticks.
And also,this isn't about table manners exactly,but you are supposed to know that it's rude to eat or drink while walking down the street.
Hope you can spend a good time!