Tag Archives: input

Data Flow – input and output (ByVal/ByRef).

Data in/out in programs

Consider the following example.

Write a program using procedures that gets 2 numbers, adds them together before displaying the answer.

I have had a lot of questions about ByVal and ByRef so I thought I would clear it up in a quick posting. Continue reading Data Flow Revisited →

Description and exemplification of

parameter passing (in, out, in/out)

call by reference/value