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u1gp2 Exercise 14-1 Modify the Product Manager application #4

u1gp2 Exercise 14-1 Modify the Product Manager application #4

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Use set methods to set data in the objects

1. Modify the constructor for the Category class so that it has zero parameters and sets the properties to default values.
2. Modify all code in the application that creates a Category object so it uses the set methods to set the data in the object.
3. Modify the constructor for the Product class so it has zero parameters and sets all properties to default values.
4. Modify all code in the application that creates a Product object so it uses the set methods to set the data in the object.
5. Test this application by adding and deleting a product.

Use regular methods instead of static methods

1. Modify the CategoryDB class so it uses regular methods instead of static methods.
2. Modify all code that uses the CategoryDB class so it creates a CategoryDB object and calls regular methods from that object.
3. Modify the ProductDB class so it uses regular methods instead of static methods.
4. Modify all code that uses the ProductDB class so it creates a ProductDB object and calls regular methods from that object.
5. Test this application by adding and deleting a product.

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