Reference parameter variable
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Design a module named getNumber which uses a reference parameter variable to accept an Integer argument. The module should prompt the user to enter a number and then store the input in the reference parameter variable.
I'm having difficulty comprehending the concept of a reference variable. I've written my module below, however I'm unsure if I'm correct. I respectfully request your review and suggestions.
Module main ()
//Declare and initialize variable
Declare Integer = 99
//Display the value in variable
Display "x is set to", x
//Pass variable to getNumber
Call getNumber (x)
//Display the values now
Display "Enter a number"
Input number
Display "x is set to", x
End Module
Module getNumber (Integer Ref value)
Set value = 0
End Module
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Solution Summary
Solution also gives a corresponding C++ implementation to see the reference variable in action.
Solution Preview
Following is how your module code should look like to address the given problem.
Module main ()
// Declare and initialize variable
Declare Integer x = 99
// Display the value in variable
...
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