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prototype design pattern

Amjad Saeed answered on July 30, 2023 Popularity 9/10 Helpfulness 2/10

answer prototype design pattern

related Prototype pattern

prototype design pattern

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The Prototype pattern involves creating a clone of an existing object rather than creating new instances from scratch. It's useful when object creation is costly in terms of time or resources.

Example in ReactJS:

Suppose you have a card component that you want to clone to create variations.

// CardPrototype.js
const CardPrototype = ({ title, content }) => (
  <div className="card">
    <h2>{title}</h2>
    <p>{content}</p>
  </div>
);

// Usage
const CardA = <CardPrototype title="Card A" content="Content for Card A" />;
const CardB = <CardPrototype title="Card B" content="Content for Card B" />;

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript prototype

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Contributed on Aug 29 2023

Amjad Saeed

0 Answers Avg Quality 2/10

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-1

using System;

// Prototype interface
public interface IShape
{
    IShape Clone();
    void Draw();
}

// Concrete prototype class for Circle
public class Circle : IShape
{
    public int Radius { get; set; }

    public IShape Clone()
    {
        return new Circle { Radius = this.Radius };
    }

    public void Draw()
    {
        Console.WriteLine($"Drawing a circle with radius {Radius}.");
    }
}

// Concrete prototype class for Rectangle
public class Rectangle : IShape
{
    public int Width { get; set; }
    public int Height { get; set; }

    public IShape Clone()
    {
        return new Rectangle { Width = this.Width, Height = this.Height };
    }

    public void Draw()
    {
        Console.WriteLine($"Drawing a rectangle with width {Width} and height {Height}.");
    }
}

// Client code
class Program
{
    static void Main()
    {
        // Create prototype objects
        IShape circlePrototype = new Circle { Radius = 5 };
        IShape rectanglePrototype = new Rectangle { Width = 10, Height = 5 };

        // Create new shapes by cloning the prototypes
        IShape newCircle = circlePrototype.Clone();
        IShape newRectangle = rectanglePrototype.Clone();

        // Draw the shapes
        newCircle.Draw();     // Drawing a circle with radius 5.
        newRectangle.Draw();  // Drawing a rectangle with width 10 and height 5.
    }
}

Popularity 9/10 Helpfulness 1/10 Language csharp

Source: chat.openai.com

Tags: c# prototype-pattern prototype-pat

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Contributed on Jul 30 2023

mahnaz foroutan

0 Answers Avg Quality 2/10

prototype design pattern

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