高端 网站制作,wordpress主题 外贸,数据库中修改wordpress中默认网址,网页设计制作图片代码关键字是 C# 编译器预定义的保留字。这些关键字不能用作标识符#xff0c;但是#xff0c;如果您想使用这些关键字作为标识符#xff0c;可以在关键字前面加上 字符作为前缀。 class: public class MyClass
{// Class definition
}interface: public interface IMyInterfac… 关键字是 C# 编译器预定义的保留字。这些关键字不能用作标识符但是如果您想使用这些关键字作为标识符可以在关键字前面加上 字符作为前缀。 class: public class MyClass
{// Class definition
}interface: public interface IMyInterface
{void MyMethod();
}public: public class MyClass
{public int MyProperty { get; set; }
}private: public class MyClass
{private int myPrivateField;
}protected: public class MyBaseClass
{protected int MyProtectedField;
}internal: internal class MyInternalClass
{// Internal class accessible within the same assembly
}static: public static class MyStaticClass
{public static void MyStaticMethod(){// Static method}
}void: public class MyClass
{public void MyMethod(){// Method that returns void}
}new: public class MyBaseClass
{public virtual void MyMethod(){// Base method}
}public class MyDerivedClass : MyBaseClass
{public new void MyMethod(){// Hides base class method with new implementation}
}virtual, override: public class MyBaseClass
{public virtual void MyMethod(){// Virtual method}
}public class MyDerivedClass : MyBaseClass
{public override void MyMethod(){// Overrides base class method}
}abstract: public abstract class MyAbstractClass
{public abstract void MyAbstractMethod();
}this: public class MyClass
{private int value;public void SetValue(int value){this.value value; // this refers to the current instance of MyClass}
}base: public class MyBaseClass
{protected int baseValue;public MyBaseClass(int value){baseValue value;}
}public class MyDerivedClass : MyBaseClass
{public MyDerivedClass(int derivedValue) : base(derivedValue){// Calls base class constructor with derivedValue}
}readonly, const: public class MyClass
{public const int MyConstant 10;public readonly int MyReadOnlyField;public MyClass(int value){MyReadOnlyField value; // Readonly field can be initialized in constructor}
}delegate: public delegate void MyDelegate(string message);public class MyClass
{public void MyMethod(string message){Console.WriteLine(message);}
}// Usage of delegate:
// MyDelegate handler new MyDelegate(new MyClass().MyMethod);event: public class MyClass
{public event EventHandler MyEvent;public void RaiseEvent(){MyEvent?.Invoke(this, EventArgs.Empty);}
}try, catch, finally: try
{// Code that may throw exceptions
}
catch (Exception ex)
{// Handle exceptions
}
finally
{// Code that always runs, whether an exception occurred or not
}if, else, switch, case: int x 10;if (x 5)
{Console.WriteLine(x is greater than 5);
}
else
{Console.WriteLine(x is less than or equal to 5);
}switch (x)
{case 5:Console.WriteLine(x is 5);break;default:Console.WriteLine(x is not 5);break;
}for, while, do: for (int i 0; i 5; i)
{Console.WriteLine(i);
}int j 0;
while (j 5)
{Console.WriteLine(j);j;
}int k 0;
do
{Console.WriteLine(k);k;
} while (k 5);foreach: int[] numbers { 1, 2, 3, 4, 5 };foreach (int num in numbers)
{Console.WriteLine(num);
}lock: private object lockObject new object();public void AccessSharedResource()
{lock (lockObject){// Code inside this block is thread-safe}
}using: using (var resource new DisposableResource())
{// Use resource here
}async, await: public async Taskint GetValueAsync()
{await Task.Delay(1000); // Simulates an async operationreturn 10;
}// Example of usage:
// int result await GetValueAsync();get, set: public class MyClass
{private int myProperty;public int MyProperty{get { return myProperty; }set { myProperty value; }}
}
