Japanese have the best learning ethics. However, their education system is archaic. Still old Confucian methods.
That's not true at all. The Japanese (and the Koreans, Singaporeans, Taiwanese, etc.) adopted the 19th century English-American rote-learning model wholesale. It's the Americans, and to a lesser extent the English, who have abandoned rote learning in the 20th and 21st centuries.
Confucian schooling is totally different and much more Socratic than Western fetishization would suggest. It's also basically extinct, except maybe for some places in really rural China.