Identifying Design Classes An analysis class maps directly to a design class if: It is a simple class It represents a single logical abstraction More complex analysis classes may Split into multiple classes Become a package Become a subsystem (discussed later) Any combination Object Oriented Analysis and Design 7Object Oriented Analysis and Design 7 Identifying Design Classes  An analysis class maps directly to a design class if: ▪ It is a simple class ▪ It represents a single logical abstraction  More complex analysis classes may ▪ Split into multiple classes ▪ Become a package ▪ Become a subsystem (discussed later) ▪ Any combination …