String Expressions
For now, one string operator, concatenation, “+”
Consider
string bookTitle;
string phrase1;      string phrase2;
phrase1 = “Programming and ”;
phrase2 = “Problem Solving”;
bookTitle = phrase1 + phrase2;
bookTitle has “Programming and Problem Solving” stored
bookTitle = phrase2 + phrase1;
bookTitle now has “Problem SolvingProgramming and ” stored
Warning: At least one of the operands must be a string
variable or named constant.