interface Archives - IT Nursery

Programming, typescript

IT Nursery

How does interfaces with construct signatures work?

I am having some trouble working out how defining constructors in interfaces work. I might be totally misunderstanding something. But I have searched ...

May 31, 2022
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Java, Programming

IT Nursery

Final arguments in interface methods – what’s the point?

In Java, it is perfectly legal to define final arguments in interface methods and do not obey that in the implementing class, e.g.: ...

May 30, 2022
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design-patterns, Programming

IT Nursery

How will I know when to create an interface?

I’m at a point in my development learning where I feel like I must learn more about interfaces. I frequently read about them ...

May 30, 2022
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Java, Programming

IT Nursery

Java abstract interface

Consider an example (which compiles in java) public abstract interface Interface { public void interfacing(); public abstract boolean interfacing(boolean really); } Why is ...

May 28, 2022
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Java, Programming

IT Nursery

How do you find all subclasses of a given class in Java?

How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in ...

May 27, 2022
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When to use Interface and Model in TypeScript / Angular

I recently watched a Tutorial on Angular 2 with TypeScript, but unsure when to use an Interface and when to use a Model ...

May 25, 2022
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Multiple Inheritance in C#

Since multiple inheritance is bad (it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would ...

May 24, 2022
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Why would a static nested interface be used in Java?

I have just found a static nested interface in our code-base. class Foo { public static interface Bar { /* snip */ } ...

May 24, 2022
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What is the point of interfaces in PHP?

Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those ...

May 23, 2022
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Why can’t C# interfaces contain fields?

For example, suppose I want an ICar interface and that all implementations will contain the field Year. Does this mean that every implementation ...

May 21, 2022
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