How do you say it in Japanese in China?

The following is a Japanese introduction:

Japanese is closely related to South Asian language family, which is greatly influenced by Chinese, and absorbs tones and quantifiers that were originally the characteristics of Sino-Tibetan language family, thus making the language attribution of Japanese very complicated. Linguists have different opinions about the origin of Japanese.

Many famous scholars in international academic circles believe that Japanese and Korean are closely related languages in grammar and syntax, which has been widely recognized by international academic circles, and their language homology is very great. There is also evidence that the morphology and vocabulary of Japanese are related to the ancient Koguryo language in the northeast of China and the northern part of the Korean Peninsula.

Japanese is different from Japanese. Japanese includes Japanese (that is, the inherent language of the Japanese nation), but Japanese is not just a type of Japanese, and the proportion of Japanese and Japanese is the least. Others, such as foreign words and Chinese characters, are called Japanese.

The above information refers to Baidu Encyclopedia-Japanese.