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How to get Classes to expose the same Shared/Static method


How to get Classes to expose the same Shared/Static method

By : zangree
Date : October 16 2020, 11:12 PM
I hope this helps you . I know this seems like a useful feature "at design time" but imagine how this could be used:
If GetForms is Shared (static in C#) you don't have an object with a type to distinguish which method to use, i.e. you can't say BaseForm.GetForms() in some way that it can be determined which of ChildFormTypeA.GetForms() and ChildFormTypeB.GetForms() is actually called.
code :


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How to expose a method in an interface without making it public to all classes

How to expose a method in an interface without making it public to all classes


By : Rajeev Sharma
Date : March 29 2020, 07:55 AM
I hope this helps you . Answer: Define two interfaces, and keep the 'private' functions in the second interface. If ActionScript supports inheritance for interfaces, then define the 'private' interface as extending the 'public' interface.
Shared objects (.so) static linking and opening other shared object, is the static library code shared between them?

Shared objects (.so) static linking and opening other shared object, is the static library code shared between them?


By : HalfassBackwards
Date : March 29 2020, 07:55 AM
hop of those help? I have one shared object (a.so) which has statically linked (s.so). b.so also has a static link of s.so. , Static library code (s.a) is never shared between binaries.
Are static members in base classes shared across its derived classes

Are static members in base classes shared across its derived classes


By : Dcmcm
Date : March 29 2020, 07:55 AM
To fix this issue The question regards .Net specifically. , Could you show some code?
code :
public class A
{
    private static string test;
    public string Test { get { return test; } set { test = value; } }

    public override string ToString()
    {
        return Test;
    }
}

public class B : A
{
    public override string ToString()
    {
        return base.ToString();
    }
}

public class C:A
{
    public override string ToString()
    {
        return base.ToString();
    }
}
    private static void Test()
    {
        Console.Clear();

        A a = new A();
        B b = new B();
        C c = new C();
        a.Test = "Test A";
        Console.WriteLine(a);
        Console.WriteLine(b);
        Console.WriteLine(c);
        b.Test = "Test B";
        Console.WriteLine(a);
        Console.WriteLine(b);
        Console.WriteLine(c);
        c.Test = "Test C";
        Console.WriteLine(a);
        Console.WriteLine(b);
        Console.WriteLine(c);

        Console.ReadKey();
    }
Calling a static/shared method from a non-static/shared methd, good or bad?

Calling a static/shared method from a non-static/shared methd, good or bad?


By : Jack Frankfurter
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , In itself, the practice is not bad. It's the code's intention that will determine whether or not your design choice is appropriate. When you think about it, that applies to pretty much every known coding patterns. You might as well have asked if using generic types or multithreading are good practices or not, the answer would've been the same.
There are non-static classes within the .NET framework that does use shared methods and within their own context it makes perfect sense. This alone should allow you to think it's not a bad practice at all.
Java outer and inner classes have method with the same name: non-static method static context error

Java outer and inner classes have method with the same name: non-static method static context error


By : jorelia
Date : March 29 2020, 07:55 AM
hop of those help? To answer your questions including the comments:
Classname.methodname is the way you would call a static method, which A#change(int, String) doesn´t represent, so the compiler does notify you for this. instance methods are executed within the current scope, which in case your A.this.change would be the scope of B. As B doesn´t have a method change(int, String) you need to guide java to the scope you´re trying to execute there, which is A#change(int, String). To resolve this you´re writing A.this.change(intVal, stringVal). The A tells java that the method you´re trying to execute will be part of the class A. The this is necessary to distinguish between static and instance calls. Why can´t we still just write A.change(intVal, stringVal)? Well as B is defined as not static it will clearly be bound to the A instance, and the this feels kinda redundant right (The main part of the question)? But ask yourself, what would be the advantage of distinguishing inner- and outer classes? You could leave out the this yeah, but on the other side you´d be reducing the readability, because one would need to check if the inner class is static or not in order to notice if A.change(intVal, stringVal) would be executed in a static context or not. In the end this could be implemented but the upsides for this as just leaving the .this wont surpass the downside of needing to be more carefull when reading and writing inner classwa code. And as though i´d say every Classname.methodname should correctly be treated as a static call instead of implementing special case scenarios for specific cases here.
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