C# Tutorials for Beginners Pdf | Methods, Operator Interview Questions - 1
What is called method invocation?
The process of activating a method is known as calling the method or method invocation.
It is done using the dot operator.
What is the use of ref keyword?
The C# allows a called method to modify the value of a passed argument if it is necessary.
If we want the called method to modify the value of a supplied argument and return the modified value, we should pass the argument using its reference.
What is the use of out keyword?
Output parameters are used to pass results back to the calling method.
It is achieved by declaring the parameters with an “out” keyword.
It does not create new storage location.
What are the four possible types of parameters available?
In C#, there are four possible types of parameters available.
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