const string greeting = "Hello, " + name + "!";

• const promises that we will never change this variable again.

• const definitions MUST be initialized when defined.

• This definition can use the values of previous variables as it does here.

• + is a concatenation operator within the string object. ("x"+name, name+"x", name+name, but NOT "x"+"x");

• Example of overloading the + operator.