What means does Tom use to learn how he must act in his role as king in Prince and Pauper written by Mark Twain?

The book is a satire of the differences and similarities of the lifestyles of the rich and poor. Both boys are out of their usual social environment.

Tom learns to act like a Prince by observation and experimentation. He is aided by the fact that the Prince "can do no wrong" and his wrong behavior is seen as odd but acceptable.