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1. Class modeling determined class and their attributes. Then, find interrelation between class. This equivalent to step 2 (Decided what sections to computerize) and step 3 (Details of the data flow) of structured system analysis.

2. Dynamic modeling determined all the actions performed by each class. This equivalent to step 4 (Define the logic of the processes) ,step 5 (Define the data stores) and step 6(Define physical resource) of structured system analysis. The dynamic included some of step 7 of structured system analysis. However, the input and output are implication in dynamic modeling.

3. Functional modeling determined the actions to perform without considering the order in which they are perform. This equivalent to step 1 (Data flow diagram) of structured system analysis.

Step 8 and 9 of structured system analysis are excluded in object-oriented analysis.