Variables must be declared before they can be used in C++. This is why a lot of developers follow the best practice of defining the variables at the top of a function. Variable Scope By default variables can be used in the function that they are created. This is their scope, is is often referred…
We’ve mentioned that you pass values to a function. This is mostly true. When you pass a hard coded value as your argument, you always pass the value. See the example below. If you pass a primitive data type (int, float, long, double, char, bool – just to name a few examples), you pass by…
Identifiers An identifier is a name of a variable or function in C++. The same basic rules you had in Python exist in C++. Can’t be a reserved word/keyword Case sensitive (name, Name, and NAME are all different things) Can only be used in one context Must start with a letter May have letters, numbers,…
While we’ve used strings in many of our examples and some of out assignments so far, we’ve not actually worked too much with Strings. Remember that a string is a collection of characters which are either taken as an input from a user, read from a text file, or enclosed within quotes within our program….
