In my application I have 3 classes.
1. class A
2. class B
3. class C
Application controller (having main function) has the object of class A, class A has object of class B and class B has objects of class C.
Application Flow:
1. Application reads some inputs.
2. Application does some calculations.
3. Stores generated data into excel file.
My question is:
Functionality of setting of data members of the class should be in main function or in their respective parent classes?
Means: function which sets data members of class C , should reside in Class B or it should be in class "Application controller"?
5  1533 
In my application I have 3 classes.
1. class A
2. class B
3. class C
Application controller (having main function) has the object of class A, class A has object of class B and class B has objects of class C.
Application Flow:
1. Application reads some inputs.
2. Application does some calculations.
3. Stores generated data into excel file.
My question is:
Functionality of setting of data members of the class should be in main function or in their respective parent classes?
Means: function which sets data members of class C , should reside in Class B or it should be in class "Application controller"?
What do classes A, B and C do? You don't write down class names before you decide what the classes are supposed to do. Rather the application logic decides which classes are needed. The methods are simply actions which objects(created from your classes) can perform. So as an example(a lame one) if you decide that you need an Input class, the action readInput would obviously be a method in the Input class.
In my application I have 3 classes.
1. class A
2. class B
3. class C
Application controller (having main function) has the object of class A, class A has object of class B and class B has objects of class C.
Application Flow:
1. Application reads some inputs.
2. Application does some calculations.
3. Stores generated data into excel file.
My question is:
Functionality of setting of data members of the class should be in main function or in their respective parent classes?
Means: function which sets data members of class C , should reside in Class B or it should be in class "Application controller"?
according to my understanding of your problem,
neither should the business logic stay in the "main", nor in the classes (A,B,C whatever).
it should stay in some private method, which the main will call to execute the job.
but please post details of your application, for better understanding.
according to my understanding of your problem,
neither should the business logic stay in the "main", nor in the classes (A,B,C whatever).
it should stay in some private method, which the main will call to execute the job.
but please post details of your application, for better understanding.
Detailed explanation:
take example of vehicle engine: Engine(class A) has cylinders(Class B). Cylinder has pistons(Class C). each class have got their own data members.
Like for class A :1. engine no. 2. engine material 3. engine size. etc
Class B : 1. cylinder diameter 2. cylinder thicknes 3. cylinder height
Class C : 1. piston diameter. 2. piston material 3. piston thickness
my question is : function assigning values to data members should reside where? in "application controller class" or in respective classes that is function which set data menbers of class piston should reside in class "Class piston" ?
Detailed explanation:
take example of vehicle engine: Engine(class A) has cylinders(Class B). Cylinder has pistons(Class C). each class have got their own data members.
Like for class A :1. engine no. 2. engine material 3. engine size. etc
Class B : 1. cylinder diameter 2. cylinder thicknes 3. cylinder height
Class C : 1. piston diameter. 2. piston material 3. piston thickness
my question is : function assigning values to data members should reside where? in "application controller class" or in respective classes that is function which set data menbers of class piston should reside in class "Class piston" ?
Normally you have them in the class whose members they are setting.
my question is : function assigning values to data members should reside where? in "application controller class" or in respective classes that is function which set data menbers of class piston should reside in class "Class piston" ?
Normally the set data members of class piston should reside in class piston.
and u will call the set...() of the piston class from your main to set the values.
hope that is clear.
god bless
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