Interview Questions

Difference between a sub and a function.

C# Interview Questions and Answers

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214. Difference between a sub and a function.

Answer1
A Sub does not return anything whereas a Function returns something.

Answer2
-A Sub Procedure is a method will not return a value
-A sub procedure will be defined with a “Sub” keyword

Sub ShowName(ByVal myName As String)
Console.WriteLine(”My name is: ” & myName)
End Sub

-A function is a method that will return value(s).
-A function will be defined with a “Function” keyword

Function FindSum(ByVal num1 As Integer, ByVal num2 As Integer) As Integer
Dim sum As Integer = num1 + num2
Return sum
End Function

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