In C#, what is the difference between pass-by-value parameters and reference parameters?

Reference parameters

The reference parameter is a reference to the memory location of the variable. Reference parameters represent the same memory location as the actual parameters supplied to the method.

When you pass parameters by reference, unlike value parameters, no new storage location is created for these parameters.

Pass by value

This is the default mechanism for passing parameters to methods. In this mechanism, when a method is called, a new storage location is created for each value parameter.

The values ​​of the actual parameters are copied into them. Therefore, changes made to parameters inside a method have no effect on the parameters themselves.

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