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Questions tagged [implements]

`implements` is a keyword in several programming languages used to denote implementation of an interface.

implements is a keyword in several programming languages which support OOP (such as Java or PHP) used to denote interface implementation (as opposed to extends used to denote implementation inheritance).

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Implementing only specific Interfaces from a lista when creating an object?

I have the Class Word and this class can implements noun, adjective, adverbs, etc. These interfaces extend another major Interface too. But there are a lot of combinations that this class Word can have. For example, a word could be a noun only or a…
Apprentice
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Restrict property type

Good day, I have a class which represents a collection. The collection has a property of type Type which allows you to specify the data type of each element's meta data object. Each time an element is added to the collection a new instance of the…
that0th3rGuy
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What can I pass in View view Parameter in java?

I have this java code: @override public void onClick(View view){ if (view= btAdd) { db.execSQL("INSERT INTO student VALUES (+etstantID.getText()++etstantaxe.getText()+ +etStatProg.getText())" ahosdlessage ("Success", "Record…
Chunchunmaru
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Typescript class force Type properties implementation

Given a Type: type TestType = { a?: string; b?: number; c?: boolean; }; I want to create a class that implements TestType with all its properties names where the types could be different. If not, raise an error. I've tried with Pick,…
Carlo Corradini
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Unknown Generic in C#

I got the following Problem: Is there a way to get all Classes that implement the IMatcher Interface in a List ? The Generics T U cannot be set as Unknown. In Java we can use the "?", but in C# there is no Operator for this. public interface…
Daniel Fntic
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How to make methods that are implemented in a class from an interface be private?

I have an interface "FlowControl" as it defines the methods should be implemented by those classes to process the data in correct order. Now, as those classes have some functions that can be called from other classes, i want to make those interface…
Muhammad Zeeshan
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GetComponent.method doesnt work

I am using Unity and C# Hey Guys, i have a little problem: If space is pressed i want another class to execute a method(you'll understand with the code). First Class: everything working except…
Fadi Walhab
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javafx new heritage branch from abstract ButtonBase : Where to use interface and extend

CONTEXT : I have redundant code I want to factorize. The code allows a Node descendant to fire a DOUBLE click EventHandler, without firing a SINGLE click EventHandler. I need this feature in different ButtonBase implementations…
Daric
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How to call a method from all implement java

I have one interface public interface GeometricObject { public String getInfo(); } And I have 2 classes, which implement the above interface. public class Circle implements GeometricObject { @Override public String getInfo() { …
newbie
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When you extend an abstract class which implements an interface, is it good to also mention this in the child class?

When you extend an abstract class which implements an interface, does the child class change it's behavior if you write that it also implements the same interface that the abstract class does? Or is it just a readability question if you do it or…
kartibrown
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How do I fix this problem it say's 'queryForObject(java.lang.String, java.lang.Object[], java.lang.Class)' is deprecated

I'm not sure how to fix this since I just started doing spring boot project last Thursday. Unfortunately today is the deadline of my project so frankly I'm quite panicking right now :/ Here is my sample problem code: @Override public Integer…
Lance0567
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How to inherit a Interface from foreign Interface without reimplementing the Methods

I want to create an Interfaced object that supports an Interface from somewhere else + my own functions. So, how to stack/aggregate/enhance the Interface? I guess its possible, but I cant find a snippet or demo specific for my inheritance…
Quelltextknecht
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Java: Pass a class that extends X and implements X

I can do this: private void doSomething(Class clazz) { doSomethingEpicWithClass(clazz); } But I can't do this: private void doSomethingAsWell(Class clazz) { …
LeopardL GD
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how to get the extender or implementer child's Type

I have a class: abstract class Foo { String getName(T f); } and: class Bar implements Foo {} or class Bar extends Foo {} how can Foo know Bar and implement T as Bar? UPDATE: I considered statically passing the type of the child,…
Adnan
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Declare C# Class That Implements a Generic Interface

Suppose I have an empty interface class IBaseInterface which is used only to "label" implementing classes as being interfaces themselves. Is there any way to do something like this? For example: public class MyClass : T where T : IBaseInterface { }
S. Valmont
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