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interface

How does interfaces with construct signatures work?

by IT Nursery

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

Tags constructor, interface, typescript

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

by IT Nursery

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

Tags class, final, interface, java, methods

How will I know when to create an interface?

by IT Nursery

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

Tags class-design, design-patterns, interface, oop

Java abstract interface

by IT Nursery

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

Tags abstract, interface, java

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

by IT Nursery

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

Tags class, interface, java, subclass

When to use Interface and Model in TypeScript / Angular

by IT Nursery

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

Tags angular, class, interface, typescript

Multiple Inheritance in C#

by IT Nursery

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

Tags c, interface, multiple-inheritance

Why would a static nested interface be used in Java?

by IT Nursery

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

Tags interface, java, static

What is the point of interfaces in PHP?

by IT Nursery

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

Tags interface, oop, php, theory

Why can’t C# interfaces contain fields?

by IT Nursery

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

Tags c, interface
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