C# Method Parameters
C# Method Parameters
Method parameters allow you to pass data into methods so they can work with different values. C# supports several types of parameters for flexibility and performance.
🔹 Basic Parameters
🔹 Multiple Parameters
🔹 Parameters with Return Value
🔹 Optional Parameters
Parameters with default values.
📌 Optional parameters must be last.
🔹 Named Parameters
Pass arguments by parameter name.
🔹 ref Parameters
Pass by reference (original value changes).
🔹 out Parameters
Used to return multiple values.
🔹 in Parameters (Read-only)
✔ Value cannot be modified.
🔹 Params Keyword
Allows variable number of arguments.
🔹 Passing Arrays as Parameters
🔹 Common Mistakes
❌ Wrong parameter order
❌ Forgetting ref keyword
❌ Modifying in parameter
🔹 Summary
✔ Parameters pass data to methods
✔ Support optional & named parameters
✔ ref, out, in control data behavior
✔ params allows flexible inputs
