1.Update the class diagrams for the ATM example to provide detailed design information. In particular, provide role names for all associations to indicate the attribute names. Modify the visibility of attributes, operations and roles to make them as hidden as possible, considering how they will be used by other classes and within inheritance hierarchies. The Transactions Hierarchy class diagram provides an example, where all the association are labelled with role names and the checkFundsAvailable method is made private. Submit an astah* file containing your revised diagrams. 2.Write design by contract style pre- and post- conditions for the Account and Currency classes. Submit these as text files as if they were outlines of code. You may use any programming language you wish to represent the code outlines, even pseudocode. The community version of astah* no longer supports code generation. You can download a trial version of astah* UML to gain access to code generation facilities to generate the code outlines, or you can just write the outlines by hand. Attachments: SYSANA-Wk7.asta; 1.Update the class diagrams for the ATM example to provide detailed design information. In particular, provide role names for all associations to indicate the attribute names. Modify the visibility of attributes, operations and roles to make them as hidden as possible, considering how they will be used by other classes and within inheritance hierarchies. The Transactions Hierarchy class diagram provides an example, where all the association are labelled with role names and the checkFundsAvailable method is made private. Submit an astah* file containing your revised diagrams. 2.Write design by contract style pre- and post- conditions for the Account and Currency classes. Submit these as text files as if they were outlines of code. You may use any programming language you wish to represent the code outlines, even pseudocode. The community version of astah* no longer supports code generation. You can download a trial version of astah* UML to gain access to code generation facilities to generate the code outlines, or you can just write the outlines by hand. Attachments: SYSANA-Wk7.asta
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