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C# StructsIn C#, classes and structs are blueprints that are used to create instance of a class. Structs are used for lightweight objects such as Color, Rectangle, Point etc. Unlike class, structs in C# are value type than reference type. It is useful if you have data that is not intended to be modified after creation of struct. C# Struct ExampleLet's see a simple example of struct Rectangle which has two data members width and height.
using System;
public struct Rectangle
{
public int width, height;
}
public class TestStructs
{
public static void Main()
{
Rectangle r = new Rectangle();
r.width = 4;
r.height = 5;
Console.WriteLine("Area of Rectangle is: " + (r.width * r.height));
}
}
Output: Area of Rectangle is: 20 C# Struct Example: Using Constructor and MethodLet's see another example of struct where we are using constructor to initialize data and method to calculate area of rectangle.
using System;
public struct Rectangle
{
public int width, height;
public Rectangle(int w, int h)
{
width = w;
height = h;
}
public void areaOfRectangle() {
Console.WriteLine("Area of Rectangle is: "+(width*height)); }
}
public class TestStructs
{
public static void Main()
{
Rectangle r = new Rectangle(5, 6);
r.areaOfRectangle();
}
}
Output: Area of Rectangle is: 30 Note: Struct doesn't support inheritance. But it can implement interfaces.
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