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Casting allows you to convert one data type to another, helping you write flexible, reusable, and type-safe code. It's especially useful when dealing with base classes, interfaces, and general-purpose collections like List.
object obj = 123;
int x = (int)obj;Use when you’re sure of the type. Throws an exception if it’s wrong.
asobject obj = "hello";
string str = obj as string; // null if obj is not a stringReturns null instead of throwing exceptions. Works with reference types and nullable value types.
isif (obj is int number)
{
Console.WriteLine(number);
}Safe and readable. Combines type check and casting.
dynamic dyn = GetObject();
int x = dyn + 10;Evaluates at runtime. Very flexible but can throw runtime exceptions if used carelessly.
Convert Classstring input = "42";
int x = Convert.ToInt32(input);Best for converting between strings, numbers, etc. May throw FormatException or OverflowException.
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