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Object oriented programming (OOP) explained with an example
By Gaurab Banerji
a class that keeps track of a bank account balance. Then write a program to use
"Extra Credit": If you have extra time, try any of the following:
Step-by-step approach with screen-shots
Go to SE24 (Class builder)
Type in ZACCOUNTAA as the name of the class and press Create.
Define 3 methods DEPOSIT, SET_BALANCE and WITHDRAW.
Place the mouse cursor in DEPOSIT and hit the Parameters
Write the parameters imported / exported for DEPOSIT method.
Similarly for SET_BALANCE
For withdraw we define an exception.
We can see the attributes and methods by pressing “Display
object list” button on top.
Now we IMPLEMENT the 3 methods. Double click the method
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