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What is a static constructor in C#?
A static constructor is a constructor declared using a static modifier. It is the first block of code executed in a class. With that, a static constructor executes only once in the life cycle of class.
The following is an example of static constructors in C# −
Example
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Difference {
class Demo {
static int val1;
int val2;
static Demo() {
Console.WriteLine("This is Static Constructor");
val1 = 70;
}
public Demo(int val3) {
Console.WriteLine("This is Instance Constructor");
val2 = val3;
}
private void show() {
Console.WriteLine("First Value = " + val1);
Console.WriteLine("Second Value = " + val2);
}
static void Main(string[] args) {
Demo d1 = new Demo(110);
Demo d2 = new Demo(200);
d1.show();
d2.show();
Console.ReadKey();
}
}
}
Updated on: 21-Jun-2020
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