Free Implementation Patterns: How to Express the Behavior of a Program Tutorial

“>John Von Neumann contributed one of the primary metaphors of computing—a sequence of instructions that are executed one by one. This metaphor permeates most programming languages, Java included. The topic of this chapter is how to express the behavior of a program. The patterns are: Control Flow—Express computations as a sequence of steps. Main Flow—Clearly express the main flow of control. Message—Express control flow by sending a message. Choosi 
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