2. What is J.league?

 “J. League” is an abbreviated designation for “Japan Professional Football League”. Sponsoring bodies are public utility foundation corporation Japan Football Association (JFA) and incorporated-association-for-the-public-good Japan Professional Football League.

From 1993 to 1998, it was held by 18 clubs by the maximum from ten clubs as "J. League" of only one division. And in 1999, J. League shifted to a two-division system of J. League division 1 and J. League division 2. There are 40 clubs in Japan. 18 clubs belong to J1, and the other clubs belong to J2.

 The ideology of J. League is the following three.

*Improvement in a level of Japanese soccer, and spreading and promotion of soccer

* Promotion of rich sports culture, and contribution to healthy development of national mind and body

* The contribution to the exchange and goodwill in international society

And the right to participate in AFC Champions League (ACL) can be granted to a degree next year at a total of 4 teams of top 3 teams including the victorious team of J. League division 1 and the 2-3rd place of the annual final rankings of the league, and an Emperor's Cup all Japan soccer championship victorious team.

Although it may be held even on Wednesday for the reasons of a schedule now, the game of J1 and J2 is fundamentally divided and held in two days, Saturday and Sunday, every week. Although the game held on Saturday and Sunday is a day game fundamentally, even a night game may be performed in the form where the holding time and the live telecast of a game are considered. Moreover, all games held on weekdays other than a public holiday are held in the night game. In addition, the final paragraph has unified the date and kickoff time of all the games. The J. League cup and the game of J2 are not constructed in principle one day of a game of the representative of Japan in 2008 and afterwards.

J1 entry determination game will be carried out in 1998. From 1999, the exchange system was introduced with shift to the two-copy system of J1 and J2. If J2 club which acquired the right of J1 promotion is not filling with examination by J. League to the standard of J1, J1 promotion is canceled, and J2 demotion is also canceled from the 16th place of J1. Since post-season one in 2012, when the promotion to J2 from Japan Football League (JFL) is, the demotion to JFL of the same number from J2 occurs.