What we have to do in milestone 1 of module 4

[adesh1997]

I am not getting what we have to do in milestone 1?

[sashi_Crio.Do]

@adesh1997
Hey you basically have to copy the application code for calculate Annualized returns(from portfolio ManagerApplication file) to portfolioManagerImpl file, make sure that you are referring to the return type of the functions here, the Return type will give you an idea of what has to be done.

Please also refer to the following FAQ’s

What is Factory Pattern and how to implement Factory Pattern in Java?

[Artboard Copy 4] Factory pattern is one of the most used design patterns in Java. In Factory pattern, we create objects without exposing the creation logic to the client and the client uses the same common interface to create a new type of object. Note: You do not have to declare a factory pattern. PortfolioManagerFactory has been declared for you. PortfolioManagerImpl is the Implementation class. PortfolioManager is your Interface. Implementing a Factory Pattern in Java : Step 1: Inter…

What is an Interface in Java?

[Artboard Copy 4] An Interface in Java is like a Class, with methods and variables declared but with no definition. They are the blueprint of a Class. An interface can tell a class on what it must do. Supposedly a class implements and Interface, all the methods declared in the interface have to be defined in the class implementing it. For example: Consider the following Interface Player Interface Player { int id; String name; void enter (String name); } Then the class implementing the int…

How do I create an Interface Object?

[Artboard Copy 4] An object of the Interface can be created using the help of the class that implements the interface. For example: Consider: An Interface A Interface A { String retval(String value); } Let Class B implement Interface A Class B implements A { Public String retval(value) { Return value; } } Then the Interface Object can be called by: A obj = new B(); In short the General format for Declaring an Object of Interface is : Interface interfaceObject = new ClassImpleme…

[adesh1997]

do i have to implement all other methods also

[amanagar]

Hey @adesh1997 as todo’s are defined you have to apply all the methods which ae defined respective to module name and also you can follow the resources provided by @sashi_Crio.Do.

[adesh1997]

yup got it. Thnaks for clearing it.

[Crio-Admin]

Closing this topic as your issue is resolved by the mentor. If it is still not resolved, Kindly un-mark the accepted solution or create a new topic and post this question as a reference link in the description of the new topic.