Answers to Concatenation exercise

Assuming that

o the variable strFName contains the string – Joe

o the variable strMiddleIntial contains the string - L

o the variable strLName contains the string Smith

What does each of the following expressions resolve to? Would any result it an error message?

1. strFName & strMiddleInitial & strLName

Result – JoeLSmith

If you want spaces to be printed between variables you must explicitly include them

2. “strFName” & “strMiddleInitial” & “strLName”

Result – strFNamestrMiddleInitialstrLname

The variable names are enclosed in quotation marks making them string constants instead of variables.

3. strFName & “”strMiddleInitial & “.” & strLName

Result – This is will cause an error because it is missing an & between “” and strMiddleInitial, also there should be a space between the “ “.

4. strFName & “ “ & strMiddleInitial & “. strLName”

Result – Joe L. strLName

This is getting better but the last variable is still enclosed in quotation marks.

5. strFName & “ “ & strMiddleInitial & “. “ & strLName

Result – Joe L. Smith

The space between the first name and the middle initial is explicitly included as is the period and space following the middle initial.