What will be the output of the following program when the button is clicked on? Private Sab btnDisplay_Click $( . .$.$) Handles btnDisplay.Click$
Dim var1, var2, num As Integer
var1 $= 2$
var2 $= 4$
num $= 6$
Add (num)
txtBox. Text = CStr (num)
End Sub
Sub Add (ByRef num As Integer)
Dim var1, var2 As Integer
num = var1 + var2
End Sub

A) 0
B) 12
C) 6
D) None of the above

Question

What will be the output of the following program when the button is clicked on? Private Sab btnDisplay_Click $( . .$.$) Handles btnDisplay.Click$
Dim var1, var2, num As Integer
var1 $= 2$
var2 $= 4$
num $= 6$
Add (num)
txtBox. Text = CStr (num)
End Sub
Sub Add (ByRef num As Integer)
Dim var1, var2 As Integer
num = var1 + var2
End Sub

A) 0
B) 12
C) 6
D) None of the above

Quizplus · Accepted Answer

In the `Add` subroutine, `var1` and `var2` are declared but not initialized, so they default to 0. Thus, `num = var1 + var2` results in `num` being 0.

What Will Be the Output of the Following Program When (..( . .(..

What Will Be the Output of the Following Program When $( . .$