String interpolation is a technique that enables you to insert expression values into literal strings. It is also known as variable substitution, variable interpolation, or variable expansion. It is a ...

That's (variable length character) strings, not just strings of varying lengths.<BR><BR>What I am interested in is having string classes (and stream classes, if possible) whose character data is ...

You want to put together an error message that includes information from the Customer object that caused the problem. Since you're not repeatedly modifying a single ...