On this Wikipedia the language links are at the top of the japanese soba noodles across from the article title. Not to be confused with Javanese language.

Not to be confused with Nihonga. This article contains IPA phonetic symbols. 128 million people, primarily Japanese people and primarily in Japan, the only country where it is the national language. Little is known of the language’s prehistory, or when it first appeared in Japan. Chinese documents from the 3rd century AD recorded a few Japanese words, but substantial Old Japanese texts did not appear until the 8th century. The numeral system uses mostly Arabic numerals, but also traditional Chinese numerals.