This code raises an exception at run time because of an invalid cast : Object Cast « Class Interface « C# / C Sharp

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C# / C Sharp » Class Interface » Object Cast Screenshots  This code raises an exception at run time because of an invalid cast    using System; public class Starter {     public static void Main() {         MyClass obj = new MyClass();         // Fails at compile time         // YClass alias=obj;         // Fails at run time         YClass alias = (YClass)obj;         obj.MethodA();         obj.MethodB();     } } public class MyClass {     public virtual void MethodA() {     }     public virtual void MethodB() {     } } public class YClass : MyClass {     public override void MethodA() {     } }        Related examples in the same category 1. Casting Objects 2. Downcast will fail. 3. Casting objects: upcast 4. Casting objects: downcast 5. Variables of type object can accept values of any data type