what does static mean in c#
In C#, static means something which cannot be instantiated. You cannot create an object of a static class and cannot access static members using an object. C# classes, variables, methods, properties, operators, events, and constructors can be defined as static using the static modifier keyword.c# public static string
public static string saytest = "test";
private static void Main()
{
Console.WriteLine(saytest);
}static class can have non static member in c#
Static class can't contain non-static members because by definition it can't be instantiated so there's no possibility to use these members. However, static members in non-static class can be used without having class instance - a bit different scenario,static class constructor c#
class SimpleClass
{
// Static variable that must be initialized at run time.
static readonly long baseline;
// Static constructor is called at most one time, before any
// instance constructor is invoked or member is accessed.
static SimpleClass()
{
baseline = DateTime.Now.Ticks;
}
}what is using static in c#
// The using static directive designates a type whose static
// members and nested types you can access without specifying a type name.
using System;
using static System.Math;
public class Circle
{
public Circle(double radius)
{
Radius = radius;
}
public double Radius { get; set; }
public double Diameter
{
get { return 2 * Radius; }
}
public double Circumference
{
get { return 2 * Radius * PI; }
// otherwise if not using static "get { return 2 * Radius * Math.PI; }"
}
public double Area
{
get { return PI * Pow(Radius, 2); }
// otherwise if not using static "get { return Math.PI * Math.Pow(Radius, 2); }"
}
}Copyright © 2021 Codeinu
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