Similarities
In both feudal Japan and Europe the number of wars made warriors the most important class. In Europe these warriors were called 'Knights' and in Japan the 'Samurai' . In both cases, the warriors were bound by a code. Knights were bound to the code of Chivalry and Samurai to the Bushido code.
Differences
Japanese feudalism was based on the ideas of the Chinese philosopher Confucius. Confucius talked about morals and respect for elders and other superiors. In Japan, this functioned as the moral duty of daimyo and samurai to protect the peasants and villagers in their region, and the duty of the peasants and villagers to honor the warriors and pay taxes to them in return.
European feudalism was based on Roman laws and customs.
European feudalism was based on Roman laws and customs.