How to determine the division of teams in men's basketball world championships?

In the first round, Argentina, Spain, Lithuania and the United States were divided into Group A, Group B, Group C and Group D respectively. In the second round, Venezuela, Panama, Brazil and Puerto Rico of the United States were divided into four groups respectively. In the third round, France, Germany, Greece and Slovenia, the top four European teams, entered the ABCD group, and the host team Japan also competed with the top European teams.

China men's basketball team announced the grouping in the fifth round of lottery. Lebanon, New Zealand, Australia and China were divided into four groups, while the China men's basketball team was divided into Group D. With the announcement of the sixth round of lottery results, Nigeria, Angola, Qatar and Senegal entered four groups respectively, and the opponents of the China men's basketball team in the same group were simultaneously produced, namely the United States, Puerto Rico, Slovenia, Italy and Senegal.

The top four in each group entered the top 16, and then eliminated in a single round, and finally decided the champion.